style: rename print_graph.* as print-graph.*

[Akim Demaille]

commit c3c50c00302e250c07b1b5b4fa2f00d650084a9f
Author: Akim Demaille <address@hidden>
Date:   Wed Jan 23 19:32:02 2019 +0100

    style: rename print_graph.* as print-graph.*
    
    These are the only files with _.
    
    * src/print_graph.h, src/print_graph.c: Rename as...
    * src/print-graph.h, src/print-graph.c: these.

diff --git a/po/POTFILES.in b/po/POTFILES.in
index 7d7cc7b6..5028e179 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -9,8 +9,8 @@ src/location.c
 src/main.c
 src/muscle-tab.c
 src/parse-gram.y
+src/print-graph.c
 src/print.c
-src/print_graph.c
 src/reader.c
 src/reduce.c
 src/scan-code.l
diff --git a/src/getargs.c b/src/getargs.c
index 95572681..4c411583 100644
--- a/src/getargs.c
+++ b/src/getargs.c
@@ -20,7 +20,6 @@
 
 #include <config.h>
 #include "system.h"
-#include "output.h"
 
 #include <argmatch.h>
 #include <c-strcase.h>
@@ -28,12 +27,13 @@
 #include <error.h>
 #include <getopt.h>
 #include <progname.h>
+#include <quote.h>
 
 #include "complain.h"
 #include "files.h"
 #include "getargs.h"
 #include "muscle-tab.h"
-#include "quote.h"
+#include "output.h"
 #include "uniqstr.h"
 
 bool defines_flag = false;
diff --git a/src/local.mk b/src/local.mk
index 7d0862b4..b6161fbb 100644
--- a/src/local.mk
+++ b/src/local.mk
@@ -55,10 +55,10 @@ src_bison_SOURCES =                             \
   src/gram.h                                    \
   src/graphviz.c                                \
   src/graphviz.h                                \
-  src/lalr.c                                    \
-  src/lalr.h                                    \
   src/ielr.c                                    \
   src/ielr.h                                    \
+  src/lalr.c                                    \
+  src/lalr.h                                    \
   src/location.c                                \
   src/location.h                                \
   src/main.c                                    \
@@ -71,12 +71,12 @@ src_bison_SOURCES =                             \
   src/output.c                                  \
   src/output.h                                  \
   src/parse-gram.y                              \
+  src/print-graph.c                             \
+  src/print-graph.h                             \
   src/print-xml.c                               \
   src/print-xml.h                               \
   src/print.c                                   \
   src/print.h                                   \
-  src/print_graph.c                             \
-  src/print_graph.h                             \
   src/reader.c                                  \
   src/reader.h                                  \
   src/reduce.c                                  \
diff --git a/src/main.c b/src/main.c
index e96981b5..9ea92366 100644
--- a/src/main.c
+++ b/src/main.c
@@ -44,9 +44,9 @@
 #include "muscle-tab.h"
 #include "nullable.h"
 #include "output.h"
+#include "print-graph.h"
 #include "print-xml.h"
 #include "print.h"
-#include "print_graph.h"
 #include "reader.h"
 #include "reduce.h"
 #include "scan-code.h"
diff --git a/src/print_graph.c b/src/print-graph.c
similarity index 99%
rename from src/print_graph.c
rename to src/print-graph.c
index ec032786..81280afc 100644
--- a/src/print_graph.c
+++ b/src/print-graph.c
@@ -30,7 +30,7 @@
 #include "gram.h"
 #include "graphviz.h"
 #include "lalr.h"
-#include "print_graph.h"
+#include "print-graph.h"
 #include "reader.h"
 #include "state.h"
 #include "symtab.h"
diff --git a/src/print_graph.h b/src/print-graph.h
similarity index 100%
rename from src/print_graph.h
rename to src/print-graph.h