libyang UPDATE fix uninit vars in release build

Author: Roytak

src/parser_json.c

@@ -1160,7 +1160,7 @@ lydjson_parse_attribute(struct lyd_json_ctx *lydctx, struct lyd_node *attr_node,
 {
     LY_ERR r;
     const char *opaq_name, *mod_name, *attr_mod = NULL;
-    size_t opaq_name_len, attr_mod_len;
+    size_t opaq_name_len, attr_mod_len = 0;
 
     if (!attr_node) {
         /* learn the attribute module name */

tools/lint/linenoise/utf8.c

@@ -400,7 +400,7 @@ static size_t utf8BytesToCodePoint(const char* buf, size_t len, int* cp) {
  */
 size_t linenoiseUtf8NextCharLen(const char* buf, size_t buf_len, size_t pos, size_t *col_len) {
     size_t beg = pos;
-    int cp;
+    int cp = 0;
     size_t len = utf8BytesToCodePoint(buf + pos, buf_len - pos, &cp);
     if (isCombiningChar(cp)) {
         /* NOTREACHED */
@@ -423,7 +423,7 @@ size_t linenoiseUtf8PrevCharLen(const char* buf, size_t UNUSED(buf_len), size_t
     while (pos > 0) {
         size_t len = prevUtf8CharLen(buf, pos);
         pos -= len;
-        int cp;
+        int cp = 0;
         utf8BytesToCodePoint(buf + pos, len, &cp);
         if (!isCombiningChar(cp)) {
             if (col_len != NULL) *col_len = isWideChar(cp) ? 2 : 1;