clang-analyzer-deadcode.DeadStores

...ever since its inception with a949f50c
"implemented GetGlyphOutline()"

Change-Id: I4591ac5c3d42053b3caa9d68bb12ad02dc319b66

vcl/generic/glyphs/gcach_ftyp.cxx

@@ -1580,7 +1580,7 @@ bool ServerFont::GetGlyphOutline( sal_GlyphId aGlyphId,
     aFuncs.cubic_to = &FT_cubic_to;
     aFuncs.shift    = 0;
     aFuncs.delta    = 0;
-    rc = FT_Outline_Decompose( &rOutline, &aFuncs, static_cast<void*>(&aPolyArg) );
+    FT_Outline_Decompose( &rOutline, &aFuncs, static_cast<void*>(&aPolyArg) );
     aPolyArg.ClosePolygon();    // close last polygon
     FT_Done_Glyph( pGlyphFT );