--- old/make/gendata/GendataFontConfig.gmk	2017-10-05 11:56:04.284713084 +0200
+++ new/make/gendata/GendataFontConfig.gmk	2017-10-05 11:56:04.016717315 +0200
@@ -23,7 +23,7 @@
 # questions.
 #
 
-$(eval $(call IncludeCustomExtension, , gendata/GendataFontConfig.gmk))
+$(eval $(call IncludeCustomExtension, gendata/GendataFontConfig.gmk))
 
 GENDATA_FONT_CONFIG_DST := $(SUPPORT_OUTPUTDIR)/modules_libs/$(MODULE)