Bug 709562 - Part 1. Add delay load for RAS dlls. r=khuey

toolkit/library/Makefile.in

@@ -555,6 +555,13 @@ endif
 ifdef MOZ_CRASHREPORTER
 OS_LIBS += $(call EXPAND_LIBNAME,wininet)
 endif
+ifdef _MSC_VER
+OS_LIBS += $(call EXPAND_LIBNAME,delayimp)
+EXTRA_DSO_LDOPTS += \
+  -DELAYLOAD:rasapi32.dll \
+  -DELAYLOAD:rasdlg.dll \
+  $(NULL)
+endif
 endif # WINNT
 
 ifdef MOZ_JPROF