Change ragel index variables to avoid signed warns

json.cpp.rl

@@ -249,8 +249,9 @@ namespace json {
            const char *stop) {
         bool __success = true;
         json::node *__root = NULL;
-        size_t cs, top = 0;
-        deque <size_t> fsmstack;
+        size_t top = 0;
+        int cs;
+        deque <int> fsmstack;
         deque <parse_context> nodestack;
 
         const char *p   = start,

version.cpp.rl

@@ -109,7 +109,7 @@ void
 version::parse (const string& str) {
     unsigned int current;
 
-    size_t      cs;
+    int         cs;
     const char *p   = str.data (),
                *pe  = str.data () + str.size (),
                *eof = pe;
@@ -123,7 +123,7 @@ void
 version::parse (const char *str) {
     unsigned int current;
 
-    size_t      cs;
+    int         cs;
     const char *p   = str,
                *pe  = str + strlen (str),
                *eof = pe;