ci: clear and mark MAKEFLAGS exported just once

diff --git a/config.mak.uname b/config.mak.uname
index 7b36a1dfe7dc245ab0e9e9d431ee1d7c562915cb..786bb2f913ac36371d37b4ee3fb7b03547a4f45c 100644 (file)
--- a/config.mak.uname
+++ b/config.mak.uname
@@ -555,7 +555,6 @@ ifneq (,$(findstring MINGW,$(uname_S)))
        RC = windres -O coff
        NATIVE_CRLF = YesPlease
        X = .exe
-       SPARSE_FLAGS = -Wno-one-bit-signed-bitfield
 ifneq (,$(wildcard ../THIS_IS_MSYSGIT))
        htmldir = doc/git/html/
        prefix =