minor improvements

OPCUAServer/.gitignore

@@ -5,7 +5,6 @@ m4/
 build-test/
 .deps/
 .libs/
-lib/*
 lib/
 # ignore all target directories
 target/

OPCUAServer/src/Makefile.am

@@ -57,7 +57,8 @@ convenience-link: $(lib_LTLIBRARIES)
 	done
 
 clean-convenience-link:
-	rm -rf $(top_builddir)/lib || true;
+	rm -f $(top_builddir)/lib/*.a || true;
+	rm -f $(top_builddir)/lib/*.so || true;
 
 all-local: convenience-link