Fix #1592: Won't try using exiv2

#1592

exiftool is no longer used in the image crop script - exiv2 replaces the
function exiftool performed.

plugins/image-crop/geeqie-image-crop

@@ -3,7 +3,7 @@
 ## @file
 ## @brief Crop image
 ##
-## Requires ImageMagick and exiftool  
+## Requires ImageMagick and exiv2
 ## Crops the image to the size set by the Draw Rectangle menu item
 ##
 
@@ -21,10 +21,10 @@ process_raw ()
 		src_filename=$(ls "$tmpdir/")
 		filename="${src_filename%.*}"
 		extension="${src_filename##*.}"
-		rotation=$(exiftool -Orientation -n "$1" | cut -d':' -f2 | xargs)
+		rotation=$(exiv2 -g Exif.Image.Orientation -Pv "$1")
 		convert "$tmpdir/$src_filename" -crop "$2" "$tmpdir/$filename-crop.$extension"
 
-		exiftool -Orientation="$rotation" -n "$tmpdir/$filename-crop.$extension"
+		exiv2 -M"set Exif.Image.Orientation $rotation" "$tmpdir/$filename-crop.$extension"
 
 		rm "$tmpdir/$src_filename"
 
@@ -58,7 +58,7 @@ export title="Geeqie crop image"
 
 if [ -x "$(command -v convert)" ]
 then
-	if [ -x "$(command -v exiftool)" ]
+	if [ -x "$(command -v exiv2)" ]
 	then
 
 		coords=$(geeqie --get-rectangle)
@@ -94,7 +94,7 @@ then
 			fi
 		fi
 	else
-		zenity --info --title="$title" --text="Crop image\n\nexiftool is not installed" --title="$title" --window-icon="$window_icon" 2> /dev/null
+		zenity --info --title="$title" --text="Crop image\n\nexiv2 is not installed" --title="$title" --window-icon="$window_icon" 2> /dev/null
 		exit 0
 	fi
 else