Timeout values should be unsigned ints

Author: sodabrew

ext/mysql2/client.c

@@ -764,17 +764,17 @@ static VALUE _mysql_client_options(VALUE self, int opt, VALUE value) {
 
   switch(opt) {
     case MYSQL_OPT_CONNECT_TIMEOUT:
-      intval = NUM2INT(value);
+      intval = NUM2UINT(value);
       retval = &intval;
       break;
 
     case MYSQL_OPT_READ_TIMEOUT:
-      intval = NUM2INT(value);
+      intval = NUM2UINT(value);
       retval = &intval;
       break;
 
     case MYSQL_OPT_WRITE_TIMEOUT:
-      intval = NUM2INT(value);
+      intval = NUM2UINT(value);
       retval = &intval;
       break;
 

ext/mysql2/client.h

@@ -41,7 +41,7 @@ typedef struct {
   VALUE active_thread; /* rb_thread_current() or Qnil */
   long server_version;
   int reconnect_enabled;
-  int connect_timeout;
+  unsigned int connect_timeout;
   int active;
   int connected;
   int initialized;