Add "gfx2" and "imglib2" to REQUIRES lines in Makefile.in for MOZ_TRACK_MODULE_DEPS builds (e.g. senna)

docshell/shistory/src/Makefile.in

@@ -29,7 +29,7 @@ include $(DEPTH)/config/autoconf.mk
 MODULE		= shistory
 LIBRARY_NAME	= shistory
 IS_COMPONENT	= 1
-REQUIRES	= xpcom string necko dom layout docshell locale widget uriloader pref
+REQUIRES	= xpcom string necko dom layout docshell locale widget uriloader pref gfx2
 
 CPPSRCS		= nsSHEntry.cpp        \
             nsSHTransaction.cpp   \