Fixed warning when casting Class to NSUInteger

Author: gregrobbins

Source/BaseClasses/GDataObject.m

@@ -204,7 +204,7 @@ - (BOOL)isEqual:(GDataObject *)other {
 // and NSObject's default hash method just returns the instance pointer.  
 // We'll define hash here for all of our GDataObjects.
 - (NSUInteger)hash {
-  return (NSUInteger) [GDataObject class];
+  return (NSUInteger) (void *) [GDataObject class];
 }
 
 - (id)copyWithZone:(NSZone *)zone {
@@ -2097,7 +2097,7 @@ - (BOOL)isEqual:(GDataExtensionDeclaration *)other {
 }  
 
 - (NSUInteger)hash {
-  return (NSUInteger) [GDataExtensionDeclaration class];
+  return (NSUInteger) (void *) [GDataExtensionDeclaration class];
 }
 
 @end
@@ -2155,7 +2155,7 @@ - (BOOL)isEqual:(GDataAttribute *)other {
 }  
 
 - (NSUInteger)hash {
-  return (NSUInteger) [GDataAttribute class];
+  return (NSUInteger) (void *) [GDataAttribute class];
 }
 
 - (void)setStringValue:(NSString *)str {

Source/XMLSupport/GDataXMLNode.m

@@ -735,11 +735,10 @@ - (BOOL)isEqual:(GDataXMLNode *)other {
 }  
 
 - (NSUInteger)hash {
-  return (NSUInteger) [GDataXMLNode class];
+  return (NSUInteger) (void *) [GDataXMLNode class];
 }
 
-- (NSMethodSignature *)methodSignatureForSelector:(SEL)selector
-{
+- (NSMethodSignature *)methodSignatureForSelector:(SEL)selector {
   return [super methodSignatureForSelector:selector];
 }