Fix some flags-to-unsigned-int conversions

Author: tiennou

ObjectiveGit/GTCheckoutOptions.m

@@ -79,7 +79,7 @@ static int GTCheckoutNotifyCallback(git_checkout_notify_t why, const char *path,
 }
 
 - (git_checkout_options *)git_checkoutOptions {
-	_git_checkoutOptions.checkout_strategy = self.strategy;
+	_git_checkoutOptions.checkout_strategy = (unsigned int)self.strategy;
 
 	if (self.progressBlock != nil) {
 		_git_checkoutOptions.progress_cb = GTCheckoutProgressCallback;
@@ -88,7 +88,7 @@ - (git_checkout_options *)git_checkoutOptions {
 
 	if (self.notifyBlock != nil) {
 		_git_checkoutOptions.notify_cb = GTCheckoutNotifyCallback;
-		_git_checkoutOptions.notify_flags = self.notifyFlags;
+		_git_checkoutOptions.notify_flags = (unsigned int)self.notifyFlags;
 		_git_checkoutOptions.notify_payload = (__bridge void *)self.notifyBlock;
 	}
 

ObjectiveGit/GTRepository+Stashing.m

@@ -21,7 +21,7 @@ @implementation GTRepository (Stashing)
 - (GTCommit *)stashChangesWithMessage:(NSString *)message flags:(GTRepositoryStashFlag)flags error:(NSError * __autoreleasing *)error {
 	git_oid git_oid;
 
-	int gitError = git_stash_save(&git_oid, self.git_repository, [self userSignatureForNow].git_signature, message.UTF8String, flags);
+	int gitError = git_stash_save(&git_oid, self.git_repository, [self userSignatureForNow].git_signature, message.UTF8String, (unsigned int)flags);
 	if (gitError != GIT_OK) {
 		if (error != NULL) *error = [NSError git_errorFor:gitError description:@"Failed to stash."];
 		return nil;

ObjectiveGit/GTRepository.m

@@ -914,7 +914,7 @@ - (GTFilterList *)filterListWithPath:(NSString *)path blob:(GTBlob *)blob mode:(
 	NSParameterAssert(path != nil);
 
 	git_filter_list *list = NULL;
-	int gitError = git_filter_list_load(&list, self.git_repository, blob.git_blob, path.UTF8String, (git_filter_mode_t)mode, options);
+	int gitError = git_filter_list_load(&list, self.git_repository, blob.git_blob, path.UTF8String, (git_filter_mode_t)mode, (unsigned int)options);
 	if (gitError != GIT_OK) {
 		if (success != NULL) *success = NO;
 		if (error != NULL) *error = [NSError git_errorFor:gitError description:@"Failed to load filter list for %@", path];