misc: replace index() with strchr()

Type: improvement
Change-Id: I471e514ebef0b4c1f86067115b2ebe5a5517c6fb
Signed-off-by: Matus Fabian <matfabia@cisco.com>
diff --git a/src/svm/svmdb.c b/src/svm/svmdb.c
index 3c69dbf..98bb96f 100644
--- a/src/svm/svmdb.c
+++ b/src/svm/svmdb.c
@@ -436,7 +436,7 @@
   u8 *sanitized_name = 0;
   int fd = 0;
 
-  if (strstr (filename, "..") || index (filename, '/'))
+  if (strstr (filename, "..") || strchr (filename, '/'))
     {
       error = clib_error_return (0, "Illegal characters in filename '%s'",
 				 filename);