util: int -> size_t

diff --git a/util.cc b/util.cc
index 44f2daaa035d6e381cc8615bc68927022a17b946..22bda1fda882c3b06cd2105c94040f1c71c27337 100644 (file)
--- a/util.cc
+++ b/util.cc
@@ -170,7 +170,7 @@ int sSnPrintf(char* str, size_t size, const char* format, ...) {
 }
 
 bool isANumber(const char* s) {
-       for (int i = 0; s[i]; s++) {
+       for (size_t i = 0; s[i]; s++) {
                if (!isdigit(s[i]) && s[i] != 'x') {
                        return false;
                }