toolchain/gcc: ensure libraries are copied to target_dir for x86-64

x86-64 stores libgcc_s / libstdc++ / libgcj under lib64 instead of lib,
so make sure that directory is searched as well for libraries to copy
to target.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

toolchain/gcc/gcc-uclibc-4.x.mk

@@ -351,20 +351,20 @@ $(PROJECT_BUILD_DIR)/autotools-stamps/gcc_libs_target_installed: $(GCC_BUILD_DIR
 ifeq ($(BR2_GCC_SHARED_LIBGCC),y)
 	# These are in /lib, so...
 	rm -rf $(TARGET_DIR)/usr/lib/libgcc_s*.so*
-	-cp -dpf $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib/libgcc_s* \
+	-cp -dpf $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib*/libgcc_s* \
 		$(TARGET_DIR)/lib/
 	-$(STRIPCMD) $(STRIP_STRIP_UNNEEDED) $(TARGET_DIR)/lib/libgcc_s*
 endif
 ifeq ($(BR2_INSTALL_LIBSTDCPP),y)
 ifeq ($(BR2_GCC_SHARED_LIBGCC),y)
 	mkdir -p $(TARGET_DIR)/usr/lib
-	-cp -dpf $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib/libstdc++.so* \
+	-cp -dpf $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib*/libstdc++.so* \
 		$(TARGET_DIR)/usr/lib/
 	-$(STRIPCMD) $(STRIP_STRIP_UNNEEDED) $(TARGET_DIR)/usr/lib/libstdc++.so*
 endif
 endif
 ifeq ($(BR2_INSTALL_LIBGCJ),y)
-	cp -dpf $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib/libgcj.so* $(TARGET_DIR)/usr/lib/
+	cp -dpf $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib*/libgcj.so* $(TARGET_DIR)/usr/lib/
 	mkdir -p $(TARGET_DIR)/usr/lib/security
 	cp -dpf $(STAGING_DIR)/usr/lib/security/classpath.security \
 		$(TARGET_DIR)/usr/lib/security/