Fix MOZ_JPROF bustage from bug 333640.

toolkit/library/Makefile.in

@@ -195,6 +195,10 @@ EXTRA_DSO_LDOPTS += $(call EXPAND_LIBNAME,imagehlp)
 endif
 endif # WINNT
 
+ifdef MOZ_JPROF
+EXTRA_DSO_LDOPTS += -ljprof
+endif
+
 ifdef MOZ_JAVAXPCOM
 dlldeps-javaxpcom.cpp: $(topsrcdir)/extensions/java/xpcom/src/dlldeps-javaxpcom.cpp
 	$(INSTALL) $^ .