[gimp] app: #include <string.h> in gimp-scratch.h

[Ell <ell src gnome org>]

commit 8c9eb1c743db0e42aadca292fba3d91333ba2297
Author: Ell <ell_se yahoo com>
Date:   Sat Dec 1 06:05:47 2018 -0500

    app: #include <string.h> in gimp-scratch.h
    
    ... for memset().

 app/core/gimp-scratch.h | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/app/core/gimp-scratch.h b/app/core/gimp-scratch.h
index f87473ef75..7f7197a03c 100644
--- a/app/core/gimp-scratch.h
+++ b/app/core/gimp-scratch.h
@@ -22,6 +22,9 @@
 #define __GIMP_SCRATCH_H__
 
 
+#include <string.h>
+
+
 #define GIMP_SCRATCH_ALIGNMENT      16
 #define GIMP_SCRATCH_MAX_BLOCK_SIZE (1 << 20)