Make IsInNet return false when extra white space

Check ip_address for extra whitespace and return false when is present.

Bug: 10459063
Change-Id: Ifcb26b7ed640d209a451dd0df87ce6cb7f098074
diff --git a/src/proxy_resolver_v8.cc b/src/proxy_resolver_v8.cc
index ee0510b..345457c 100644
--- a/src/proxy_resolver_v8.cc
+++ b/src/proxy_resolver_v8.cc
@@ -330,6 +330,9 @@
 // address and IPv4 prefix).
 bool IsInNetEx(const std::string& ip_address, const std::string& ip_prefix) {
   IPAddressNumber address;
+  std::string cleaned_ip_address;
+  if (RemoveChars(ip_address, " \t", &cleaned_ip_address))
+    return false;
   if (!ParseIPLiteralToNumber(ip_address, &address))
     return false;