diff: avoid possible longjmp-triggered misbehavior

* src/dir.c (find_dir_file_pathname): gcc 4.8.0 20120825 reported
that a local variable's value might be clobbered.  Declare "match"
to be volatile.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/dir.c b/src/dir.c
index 57134c7..a2f6bba 100644
--- a/src/dir.c
+++ b/src/dir.c
@@ -324,7 +324,7 @@ char *
 find_dir_file_pathname (char const *dir, char const *file)
 {
   char *val;
-  char const *match = file;
+  char const *volatile match = file;
   struct dirdata dirdata;
   dirdata.names = NULL;
   dirdata.data = NULL;