[source] mbedtls: add static files in staging_dir

[LEDE Commits]

luka pushed a commit to source.git, branch master:
https://git.lede-project.org/b5b83706be5bad055033bd3cf6d4f50e2fe2f19c

commit b5b83706be5bad055033bd3cf6d4f50e2fe2f19c
Author: Domagoj Pintaric <domagoj.pintaric at sartura.hr>
AuthorDate: Sun Jan 1 19:10:38 2017 +0100

    mbedtls: add static files in staging_dir
    
    Signed-off-by: Domagoj Pintaric <domagoj.pintaric at sartura.hr>
    Signed-off-by: Luka Perkov <luka.perkov at sartura.hr>
---
 package/libs/mbedtls/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/package/libs/mbedtls/Makefile b/package/libs/mbedtls/Makefile
index 990aabe..12b97da 100644
--- a/package/libs/mbedtls/Makefile
+++ b/package/libs/mbedtls/Makefile
@@ -59,6 +59,7 @@ define Build/InstallDev
 	$(CP) $(PKG_INSTALL_DIR)/usr/include/mbedtls $(1)/usr/include/
 	$(INSTALL_DIR) $(1)/usr/lib
 	$(CP) $(PKG_INSTALL_DIR)/usr/lib/lib*.so* $(1)/usr/lib/
+	$(CP) $(PKG_INSTALL_DIR)/usr/lib/lib*.a $(1)/usr/lib/
 endef
 
 define Package/libmbedtls/install