Fix warning and typo in Query.hh

src/glow/objects/Query.hh

@@ -42,15 +42,16 @@ public:
     void begin() { glBeginQuery(mTarget, mObjectName); }
     /// end the query
     void end() { glEndQuery(mTarget); }
+
     /// returns true if the result of the query is available, if not, trying to get the result will stall the CPU
-    GLboolean isResultAvailable()
+    bool isResultAvailable()
     {
         GLuint resultAvailable;
         glGetQueryObjectuiv(mObjectName, GL_QUERY_RESULT_AVAILABLE, &resultAvailable);
-        return (GLboolean)resultAvailable;
+        return resultAvailable == GL_TRUE;
     }
 
-    /// get the query result, what it is depents on the query target
+    /// get the query result, what it is depends on the query target
     GLuint getResult()
     {
         GLuint queryResult;
@@ -59,7 +60,7 @@ public:
     }
 
 
-    /// get the query result in 64 bit, what it is depents on the query target
+    /// get the query result in 64 bit, what it is depends on the query target
     GLuint64 getResult64()
     {
         GLuint64 queryResult;