Updating vifmimg and vifmrc to include pdf image previews.

.config/vifm/vifmrc

@@ -179,7 +179,11 @@ command! reload :write | restart
 
 " Pdf
 filextype *.pdf zathura %c %i &, apvlv %c, xpdf %c
-fileviewer *.pdf pdftotext -nopgbrk %c -
+fileviewer *.pdf
+        \ vifmimg pdfpreview %px %py %pw %ph %c
+        \ %pc
+        \ vifmimg clear
+        " \ pdftotext -nopgbrk %c -
 
 " PostScript
 filextype *.ps,*.eps,*.ps.gz
@@ -249,15 +253,19 @@ filextype *.bmp,*.jpg,*.jpeg,*.png,*.gif,*.xpm
         \ feh %d &,
         \ {View in cacaview}
         \ cacaview %c &,
-fileviewer *.bmp,*.jpg,*.jpeg,*.png,*.gif,*.xpm
-           \ vifmimg draw %px %py %pw %ph %c
-           \ %pc
-           \ vifmimg clear
-         " Get w3m image previews inside vifm
-		 " \ imgt %px %py %pw %ph %c
-         " \ %pc
-         " \ imgc %px %py %pw %ph   NOT NEEDED IN XTERM
-
+fileviewer *.bmp,*.jpg,*.jpeg,*.png,*.xpm
+        \ vifmimg draw %px %py %pw %ph %c
+        \ %pc
+        \ vifmimg clear
+        " Get w3m image previews inside vifm
+		" \ imgt %px %py %pw %ph %c
+        " \ %pc
+        " \ imgc %px %py %pw %ph   NOT NEEDED IN XTERM
+fileviewer *.gif
+        \ vifmimg gifpreview %px %py %pw %ph %c
+        \ %pc
+        \ vifmimg clear
+        
 " OpenRaster
 filextype *.ora
         \ {Edit in MyPaint}