merges r23906 from trunk into ruby_1_9_1.

--
* dln.c (dln_find_1): fixed index overrun.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@24047 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 2 deletions

diff --git a/dln.c b/dln.c
index 23df91aaa4..8826e94c5f 100644
--- a/dln.c
+++ b/dln.c
@@ -1564,8 +1564,8 @@ dln_find_1(const char *fname, const char *path, char *fbuf, int size,
 	}
     }
     if (ext) {
-	for (j = 0; STRCASECMP(ext, extension[j]); j++) {
-	    if (j == sizeof(extension) / sizeof(extension[0])) {
+	for (j = 0; STRCASECMP(ext, extension[j]); ) {
+	    if (++j == sizeof(extension) / sizeof(extension[0])) {
 		ext = 0;
 		break;
 	    }