fix library names on mingw

This is a bit hackish and could benefit from further cleanup.

Change-Id: Ibb8eddf88bffdea41fd94fea09ad6499d05ae715

nss/nspr-4.9-build.patch

@@ -21,11 +21,12 @@
  # Win95 and OS/2 require library names conforming to the 8.3 rule.
  # other platforms do not.
  #
- ifeq (,$(filter-out WIN95 WINCE WINMO OS2,$(OS_TARGET)))
+-ifeq (,$(filter-out WIN95 WINCE WINMO OS2,$(OS_TARGET)))
++ifeq (,$(filter-out WIN95 WINCE WINMO WINNT OS2,$(OS_TARGET)))
  LIBRARY		= $(OBJDIR)/$(LIBRARY_NAME)$(LIBRARY_VERSION)_s.$(LIB_SUFFIX)
  SHARED_LIBRARY	= $(OBJDIR)/$(LIBRARY_NAME)$(LIBRARY_VERSION).$(DLL_SUFFIX)
 -IMPORT_LIBRARY	= $(OBJDIR)/$(LIBRARY_NAME)$(LIBRARY_VERSION).$(LIB_SUFFIX)
-+IMPORT_LIBRARY	= $(OBJDIR)/$(LIBRARY_NAME)$(LIBRARY_VERSION).$(IMPORT_LIB_SUFFIX)
++IMPORT_LIBRARY	= $(OBJDIR)/lib$(LIBRARY_NAME)$(LIBRARY_VERSION).$(IMPORT_LIB_SUFFIX)
  SHARED_LIB_PDB	= $(OBJDIR)/$(LIBRARY_NAME)$(LIBRARY_VERSION).pdb
  else
  LIBRARY		= $(OBJDIR)/lib$(LIBRARY_NAME)$(LIBRARY_VERSION)_s.$(LIB_SUFFIX)