Makefile: fix typo

We checked NO_SETENV instead of NO_UNSETENV to decide if unsetenv
is available.

Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/Makefile b/Makefile
index a6084764058d8713f2932df7f797d89b6113fd17..05bd77f967dace1440b2b8e22641c8476eeebda7 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -496,7 +496,7 @@ ifdef NO_SETENV
        COMPAT_CFLAGS += -DNO_SETENV
        COMPAT_OBJS += compat/setenv.o
 endif
-ifdef NO_SETENV
+ifdef NO_UNSETENV
        COMPAT_CFLAGS += -DNO_UNSETENV
        COMPAT_OBJS += compat/unsetenv.o
 endif