maint: fix configure.ac

Fix commit 1890a2a816dab86c23cc1d0af8fac3986335deb7.

	* configure.ac: Fix variable assignment.

diff --git a/configure.ac b/configure.ac
index 48d145d8c3f12c5092feaae0cab48939461e02e1..80c2e99c7bc78424a366d62d9276d86dffb9b97b 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -63,7 +63,7 @@ AC_ARG_ENABLE([gcc-warnings],
    yes|no) ;;
    *)  AC_MSG_ERROR([invalid value for --gcc-warnings: $enable_gcc_warnings]);;
  esac],
-              [$enable_gcc_warnings=no])
+              [enable_gcc_warnings=no])
 if test "$enable_gcc_warnings" = yes; then
   gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
   AC_SUBST([WERROR_CFLAGS])