--- lib/dgif_lib.c.orig	2016-04-02 15:34:00 UTC
+++ lib/dgif_lib.c
@@ -41,6 +41,9 @@ static int DGifDecompressInput(GifFileTy
 static int DGifBufferedInput(GifFileType *GifFile, GifByteType *Buf,
                              GifByteType *NextByte);
 
+extern void *
+reallocarray(void *optr, size_t nmemb, size_t size) __hidden;
+
 /******************************************************************************
  Open a new GIF file for read, given by its name.
  Returns dynamically allocated GifFileType pointer which serves as the GIF
--- lib/gifalloc.c.orig	2015-07-13 04:05:46 UTC
+++ lib/gifalloc.c
@@ -12,6 +12,9 @@
 
 #define MAX(x, y)    (((x) > (y)) ? (x) : (y))
 
+extern void *
+reallocarray(void *optr, size_t nmemb, size_t size) __hidden;
+
 /******************************************************************************
  Miscellaneous utility functions                          
 ******************************************************************************/