do not initialize some local vars unnecessarily. this problem was introduced when we fixed C89 issues for MSVC
diff --git a/SStream.c b/SStream.c
index ec5a363..d2f1de3 100644
--- a/SStream.c
+++ b/SStream.c
@@ -18,7 +18,8 @@
 {
 #ifndef CAPSTONE_DIET
 	va_list ap;
-	int ret = 0;
+	int ret;
+
 	va_start(ap, fmt);
 	ret = cs_vsnprintf(ss->buffer + ss->index, sizeof(ss->buffer) - (ss->index + 1), fmt, ap);
 	va_end(ap);