Mass REQUIRES update to synch up with string lib and xul changes in an attempt to fix senna bustage. r=jst, sr=cls

docshell/shistory/src/Makefile.in

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