winbuild: Use CALL to run batch scripts

Co-authored-by: Stefan Kanthak
Closes https://github.com/curl/curl/issues/2330
Closes https://github.com/curl/curl/pull/2331

diff --git a/winbuild/Makefile.vc b/winbuild/Makefile.vc
index cec9b14e7a618162abeb32c6afbcf7e51ef5ad6b..46919fc2d1619dfb188dd80a221b31cf203176ea 100644 (file)
--- a/winbuild/Makefile.vc
+++ b/winbuild/Makefile.vc
@@ -248,12 +248,12 @@ $(MODE):
        @SET DIROBJ=$(LIBCURL_DIROBJ)
        @SET MACRO_NAME=LIBCURL_OBJS
        @SET OUTFILE=LIBCURL_OBJS.inc
-       @gen_resp_file.bat $(LIBCURL_OBJS)
+       @CALL gen_resp_file.bat $(LIBCURL_OBJS)
 
        @SET DIROBJ=$(CURL_DIROBJ)
        @SET MACRO_NAME=CURL_OBJS
        @SET OUTFILE=CURL_OBJS.inc
-       @gen_resp_file.bat $(CURL_OBJS)
+       @CALL gen_resp_file.bat $(CURL_OBJS)
 
        @SET CONFIG_NAME_LIB=$(CONFIG_NAME_LIB)
        @SET MACHINE=$(MACHINE)