File fix-return-statement.patch of Package fontforge

Index: fontforge-20200314/gdraw/ggdkdraw.c
===================================================================
--- fontforge-20200314.orig/gdraw/ggdkdraw.c
+++ fontforge-20200314/gdraw/ggdkdraw.c
@@ -2333,6 +2333,7 @@ static void GGDKDrawSyncThread(GDisplay
 static GWindow GGDKDrawPrinterStartJob(GDisplay *UNUSED(gdisp), void *UNUSED(user_data), GPrinterAttrs *UNUSED(attrs)) {
     Log(LOGERR, " ");
     assert(false);
+    return (GWindow)0L;
 }
 
 static void GGDKDrawPrinterNextPage(GWindow UNUSED(w)) {
@@ -2343,6 +2344,7 @@ static void GGDKDrawPrinterNextPage(GWin
 static int GGDKDrawPrinterEndJob(GWindow UNUSED(w), int UNUSED(cancel)) {
     Log(LOGERR, " ");
     assert(false);
+    return 0;
 }
 
 
Index: fontforge-20200314/fontforgeexe/cvimportdlg.c
===================================================================
--- fontforge-20200314.orig/fontforgeexe/cvimportdlg.c
+++ fontforge-20200314/fontforgeexe/cvimportdlg.c
@@ -710,6 +710,7 @@ static int GFD_Options(GGadget *g, GEven
 	_ImportParamsDlg(ImportParamsState());
 	d->opts_shown = true;
     }
+    return 0;
 }
 
 static int e_h(GWindow gw, GEvent *event) {