File feh-makefile_app.patch of Package feh

diff --git a/config.mk b/config.mk
index b230e3d..e138658 100644
--- a/config.mk
+++ b/config.mk
@@ -17,7 +17,7 @@ ICON_PREFIX ?= ${DESTDIR}${PREFIX}/share/icons
 # generally supported. So ignore PREFIX and always install icons into
 # /usr/share/icons if the user wants to install feh on their local machine.
 ifeq (${app},1)
-	ICON_PREFIX = /usr/share/icons
+	ICON_PREFIX = ${DESTDIR}${PREFIX}/share/icons
 endif
 
 # Directories for manuals, executables, docs, data, etc.