[elpa] externals/notes-mode c6b386e 4/7: notes-mode/mkconfig: don't reference undefined envvar NOTES_BIN_DIR

[Stefan Monnier]

branch: externals/notes-mode
commit c6b386e626e4b24c56ecf3f20167a375b77c99d1
Author: Andreas Schwab <schwab@linux-m68k.org>
Commit: Andreas Schwab <schwab@linux-m68k.org>

    notes-mode/mkconfig: don't reference undefined envvar NOTES_BIN_DIR
---
 mkconfig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mkconfig b/mkconfig
index 637ca56..eeb8180 100755
--- a/mkconfig
+++ b/mkconfig
@@ -32,10 +32,11 @@ my($home_dir) = ((getpwuid($<))[7]);
 
 my(%defaults) = (
     'dir'      => ['path', '~/NOTES'],
-    'bin_dir'  => ['path', "$ENV{'NOTES_BIN_DIR'}"],
     'int_form' => ['form', '%Y%m'],
     'file_form'        => ['form', '%y%m%d'],
     );
+$defaults{'bin_dir'} = ['path', "$ENV{'NOTES_BIN_DIR'}"]
+    if defined($ENV{'NOTES_BIN_DIR'});
 
 my($key, $value, %notes);
 while (($key, $value) = each %defaults) {