[newlib-cygwin] Cygwin: utils: avoid warning when building path_testsuite-path.o

[Corinna Vinschen <corinna@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=8c6c9b097dc1f6cef0f9ccca47503a158ca3d64d

commit 8c6c9b097dc1f6cef0f9ccca47503a158ca3d64d
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Thu May 20 22:47:40 2021 +0200

    Cygwin: utils: avoid warning when building path_testsuite-path.o
    
    Avoid this warning:
    
    [...]/winsup/utils/mingw/../path.cc:569:1: warning: 'void read_mounts() ' defined but not used [-Wunused-function]
      569 | read_mounts ()
          | ^~~~~~~~~~~
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/utils/path.cc | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/winsup/utils/path.cc b/winsup/utils/path.cc
index 0d41a45d8..1a412fc9d 100644
--- a/winsup/utils/path.cc
+++ b/winsup/utils/path.cc
@@ -547,6 +547,9 @@ from_fstab (bool user, PWCHAR path, PWCHAR path_end)
 #endif /* !FSTAB_ONLY */
 
 #ifndef FSTAB_ONLY
+#ifdef TESTSUITE
+#define read_mounts testsuite_read_mounts
+#else
 static int
 mnt_sort (const void *a, const void *b)
 {
@@ -640,12 +643,8 @@ read_mounts ()
   from_fstab (true, path, path_end);
   qsort (mount_table, max_mount_entry, sizeof (mnt_t), mnt_sort);
 }
-
-#ifdef TESTSUITE
-#define read_mounts testsuite_read_mounts
 #endif
 
-
 /* Return non-zero if PATH1 is a prefix of PATH2.
    Both are assumed to be of the same path style and / vs \ usage.
    Neither may be "".