Fix MOZ_TRACK_MODULE_DEPS bustage with --enable-xpctools (bug 72120). Only touches unix build-system. r=cls@seawood.org

js/src/xpconnect/src/Makefile.in

@@ -94,5 +94,6 @@ DEFINES		+= -DJSFILE -DJS_THREADSAFE
 
 ifdef MOZ_XPCTOOLS
 DEFINES         +=  -DXPC_TOOLS_SUPPORT
+REQUIRES	+= xpctools
 endif
 

js/src/xpconnect/tools/src/Makefile.in

@@ -42,7 +42,7 @@ include $(DEPTH)/config/autoconf.mk
 MODULE		= xpctools
 LIBRARY_NAME	= xpctools
 SHORT_LIBNAME	= xpctools
-REQUIRES	= xpcom xpconnect js
+REQUIRES	= xpcom xpconnect js string
 
 CPPSRCS		= \
         	nsXPCToolsCompiler.o \