[PATCH] gdb/source.c: Fix source path substitution

["Brad Mouring" <bmouring@ni.com>]

Substitute source path functionality never worked on non-Windows
platforms due to straight strcmp tests returning non-zeros.

Signed-off-by: Brad Mouring <brad.mouring@ni.com>
---
 gdb/source.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gdb/source.c b/gdb/source.c
index c77a4f4..7b59d77 100644
--- a/gdb/source.c
+++ b/gdb/source.c
@@ -946,7 +946,7 @@ substitute_path_rule_matches (const struct substitute_path_rule *rule,
   strncpy (path_start, path, from_len);
   path_start[from_len] = '\0';
 
-  if (FILENAME_CMP (path_start, rule->from) != 0)
+  if (filename_ncmp (path_start, rule->from, from_len) != 0)
     return 0;
 
   /* Make sure that the region in the path that matches the substitution
@@ -1897,7 +1897,7 @@ show_substitute_path_command (char *args, int from_tty)
 
   while (rule != NULL)
     {
-      if (from == NULL || FILENAME_CMP (rule->from, from) == 0)
+      if (from == NULL || filename_ncmp (rule->from, from, strlen(rule->from)) == 0)
         printf_filtered ("  `%s' -> `%s'.\n", rule->from, rule->to);
       rule = rule->next;
     }
-- 
1.8.3-rc3