Temporary fix for issue caused by libs-base change

.gitignore

@@ -18,6 +18,8 @@ Tests/gui/*/GNUmakefile
 Tools/speech/GSSpeechServer.app
 Tools/speech_recognizer/GSSpeechRecognitionServer.app
 *~
+*.nssound
+*.nsmovie
 
 # Created by https://www.gitignore.io/api/xcode
 # Edit at https://www.gitignore.io/?templates=xcode

Headers/AppKit/NSFontAssetRequest.h

@@ -26,11 +26,13 @@
 #define _NSFontAssetRequest_h_GNUSTEP_GUI_INCLUDE
 
 #import <Foundation/NSObject.h>
-#import <Foundation/NSProgress.h>
 #import <Foundation/NSError.h>
 
 DEFINE_BLOCK_TYPE(GSFontAssetCompletionHandler, BOOL, NSError*);
 
+@class NSProgress;
+// @protocol NSProgressReporting;
+
 #if OS_API_VERSION(MAC_OS_X_VERSION_10_13, GS_API_LATEST)
 
 #if	defined(__cplusplus)
@@ -42,7 +44,7 @@ enum {
 };
 typedef NSUInteger NSFontAssetRequestOptions;
 
-@interface NSFontAssetRequest : NSObject <NSProgressReporting>
+@interface NSFontAssetRequest : NSObject // <NSProgressReporting>
 
 - (instancetype) initWithFontDescriptors: (NSArray *)fontDescriptors
                                  options: (NSFontAssetRequestOptions)options;
@@ -62,4 +64,3 @@ typedef NSUInteger NSFontAssetRequestOptions;
 #endif	/* GS_API_MACOSX */
 
 #endif	/* _NSFontAssetRequest_h_GNUSTEP_GUI_INCLUDE */
-

Source/NSFontAssetRequest.m

@@ -39,7 +39,7 @@
 
 - (NSProgress *) progress
 {
-  return [NSProgress progressWithTotalUnitCount: 0.0];
+  return nil; // [NSProgress progressWithTotalUnitCount: 0.0];
 }
 
 - (void)downloadFontAssetsWithCompletionHandler: (GSFontAssetCompletionHandler)completionHandler