uclibc: to rebuild libc.so.0, mklibs.py needs access to libc_so.a which was not exported by default. use it instead of libc_pic.a

SVN-Revision: 17438

toolchain/uClibc/Makefile

@@ -102,6 +102,7 @@ define Host/Compile
 	$(UCLIBC_MAKE) PREFIX= all
 	$(UCLIBC_MAKE) PREFIX="$(TOOLCHAIN_DIR)/" install_runtime install_dev
 	ln -sf ../../lib/libc.so.0 $(TOOLCHAIN_DIR)/usr/lib/libc.so
+	$(CP) $(HOST_BUILD_DIR)/libc/libc_so.a $(TOOLCHAIN_DIR)/usr/lib/
 #	( cd $(TOOLCHAIN_DIR) ; \
 #		for d in lib usr/lib ; do \
 #		  for f in libc.so libpthread.so libgcc_s.so ; do \