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

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23906 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 2 deletions

diff --git a/dln.c b/dln.c
index 484dab5d1d..b939dc3460 100644
--- a/dln.c
+++ b/dln.c
@@ -1563,8 +1563,8 @@ dln_find_1(const char *fname, const char *path, char *fbuf, size_t 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;
 	    }