diff -rupN driftnet-0.1.6-20040426cvs/gif.c driftnet-0.1.6-20040426cvs-new/gif.c
--- driftnet-0.1.6-20040426cvs/gif.c	2002-07-08 22:57:17.000000000 +0200
+++ driftnet-0.1.6-20040426cvs-new/gif.c	2018-01-22 23:32:29.986155812 +0100
@@ -20,7 +20,7 @@ static const char rcsid[] = "$Id: gif.c,
  */
 int gif_load_hdr(img I) {
     GifFileType *g;
-    g = I->us = DGifOpenFileHandle(fileno(I->fp));
+    g = I->us = DGifOpenFileHandle(fileno(I->fp), NULL);
     if (!I->us) {
         I->err = IE_HDRFORMAT;
         return 0;
@@ -36,7 +36,7 @@ int gif_load_hdr(img I) {
  * Abort loading a GIF file after the header is done.
  */
 int gif_abort_load(img I) {
-    DGifCloseFile((GifFileType*)I->us);
+    DGifCloseFile((GifFileType*)I->us, NULL);
     return 1;
 }
 
@@ -114,7 +114,7 @@ int gif_load_img(img I) {
     ret = 1;
 fail:
 
-    DGifCloseFile(g);
+    DGifCloseFile(g, NULL);
     
     return ret;
 }
diff -rupN driftnet-0.1.6-20040426cvs/Makefile driftnet-0.1.6-20040426cvs-new/Makefile
--- driftnet-0.1.6-20040426cvs/Makefile	2007-10-22 03:51:34.000000000 +0200
+++ driftnet-0.1.6-20040426cvs-new/Makefile	2018-01-22 23:37:58.604137635 +0100
@@ -35,7 +35,7 @@ LDLIBS += -lpcap -lpthread #-lefence
 # Optional C compiler and linker flags. Typical driftnet builds have support
 # for displaying captured images in an X window, and need the following flags:
 CFLAGS  += `pkg-config --cflags gtk+-2.0`
-LDLIBS  += -ljpeg -lungif -lpng `pkg-config --libs gtk+-2.0`
+LDLIBS  += -ljpeg -lgif -lpng `pkg-config --libs gtk+-2.0`
 
 # Alternatively, you can build a version of driftnet which can only be used
 # in `adjunct' mode as the back end for some other image-processing program. To