fixed bug introuced by unsigned int

src/RpcHandle.cpp

@@ -105,7 +105,7 @@ bool RPCHandle::connected()
 
 int RPCHandle::split_rpccall(const char *call, char* fam, char *mem, char* act, char* mode)
 {
-	unsigned int i = 0, delim1, delim2, delim3;
+    int i = 0, delim1, delim2, delim3;
 	int underline_cnt = 0;
 	int calllen = strlen(call);