[patch, committed] libgfortran/intrinsics/chmod.c: Silence unused var warning

[Tobias Burnus]

Found with amdgcn – silences a build warning there.

Committed as r12-509-gdee371fdd4ae25f837b9b2ded7789d07ed739c9e

Tobias

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commit dee371fdd4ae25f837b9b2ded7789d07ed739c9e
Author: Tobias Burnus <tob...@codesourcery.com>
Date:   Wed May 5 11:48:48 2021 +0200

    libgfortran/intrinsics/chmod.c: Silence unused var warning
    
    libgfortran/ChangeLog:
    
            * intrinsics/chmod.c (chmod_internal): Only declare mode_mask var
            if HAVE_UMASK.

diff --git a/libgfortran/intrinsics/chmod.c b/libgfortran/intrinsics/chmod.c
index 8b5140a05a3..d0371ce560f 100644
--- a/libgfortran/intrinsics/chmod.c
+++ b/libgfortran/intrinsics/chmod.c
@@ -71,7 +71,10 @@ chmod_internal (char *file, char *mode, gfc_charlen_type mode_len)
 #ifndef __MINGW32__
   bool is_dir;
 #endif
-  mode_t mode_mask, file_mode, new_mode;
+#ifdef HAVE_UMASK
+  mode_t mode_mask;
+#endif
+  mode_t file_mode, new_mode;
   struct stat stat_buf;
 
   if (mode_len == 0)