Update to eliminate compiler warnings.

MGTemplateEngine.m

@@ -396,7 +396,7 @@ - (NSString *)processTemplate:(NSString *)templateString withVariables:(NSDictio
 	[_globals setObject:[NSNumber numberWithBool:NO] forKey:@"no"];
 	_outputDisabledCount = 0;
 	_templateContents = templateString;
-	_templateLength = (NSInteger)[templateString length];
+	_templateLength = (int)[templateString length];
 	_templateVariables = [variables deepMutableCopy];
 	_remainingRange = NSMakeRange(0, [templateString length]);
 	_literal = NO;
@@ -604,8 +604,8 @@ - (NSString *)processTemplate:(NSString *)templateString withVariables:(NSDictio
 			// Check to see if there are open blocks left over.
 			NSUInteger openBlocks = [_openBlocksStack count];
 			if (openBlocks > 0) {
-				NSString *errMsg = [NSString stringWithFormat:@"Finished processing template, but %d %@ left open (%@).", 
-									openBlocks, 
+				NSString *errMsg = [NSString stringWithFormat:@"Finished processing template, but %lu %@ left open (%@).", 
+									(unsigned long)openBlocks,
 									(openBlocks == 1) ? @"block was" : @"blocks were", 
 									[[_openBlocksStack valueForKeyPath:BLOCK_NAME_KEY] componentsJoinedByString:@", "]];
 				[self reportError:errMsg code:6 continuing:YES];

MGTemplateStandardMarkers.m

@@ -164,7 +164,7 @@ - (NSObject *)markerEncountered:(NSString *)marker withArguments:(NSArray *)args
 				// Check that endArg is a collection.
 				NSObject *obj = [engine resolveVariable:endArg];
 				if (obj && [obj respondsToSelector:@selector(objectEnumerator)] && [obj respondsToSelector:@selector(count)]) {
-					endIndex = (NSInteger)[(NSArray *)obj count];
+					endIndex = (int)[(NSArray *)obj count];
 					if (endIndex > 0) {
 						loopEnumObject = obj;
 						valid = YES;

NSArray_DeepMutableCopy.m

@@ -13,7 +13,7 @@ @implementation NSArray (DeepMutableCopy)
 - (NSMutableArray *)deepMutableCopy
 {
     NSMutableArray *newArray;
-    unsigned int index, count;
+    NSUInteger index, count;
 
     count = [self count];
     newArray = [[NSMutableArray alloc] initWithCapacity:count];