Use spaces for indentation, not tabs.

[gnulib.git] / m4 / free.m4

diff --git a/m4/free.m4 b/m4/free.m4
index 05c3038..ef6022b 100644 (file)
--- a/m4/free.m4
+++ b/m4/free.m4
@@ -20,12 +20,12 @@ AC_DEFUN([gl_FUNC_FREE],
     [gl_cv_func_free],
     [AC_COMPILE_IFELSE(
        [AC_LANG_PROGRAM(
-         [[@%:@include <unistd.h>]],
-         [[@%:@if _POSIX_VERSION < 199009L && \
-               (defined unix || defined _unix || defined _unix_ \
-                || defined __unix || defined __unix__)
-             @%:@error "'free (NULL)' is not known to work"
-           @%:@endif]])],
+          [[@%:@include <unistd.h>]],
+          [[@%:@if _POSIX_VERSION < 199009L && \
+                (defined unix || defined _unix || defined _unix_ \
+                 || defined __unix || defined __unix__)
+              @%:@error "'free (NULL)' is not known to work"
+            @%:@endif]])],
        [gl_cv_func_free=yes],
        [gl_cv_func_free=no])])