fix castor build

Fix castor build, apps is present twice in the coping of images.

Index: Makefile
===================================================================
RCS file: /cvs/ports/www/castor/Makefile,v
retrieving revision 1.2
diff -u -p -u -p -r1.2 Makefile
--- Makefile 29 Nov 2020 18:53:50 -0000 1.2
+++ Makefile 1 Dec 2020 02:23:36 -0000
@@ -4,7 +4,7 @@ COMMENT= graphical browser for plain-te

V= 0.8.16
DISTNAME= castor-${V}
-REVISION= 0
+REVISION= 1

DIST_SUBDIR= castor
DISTFILES= ${V}${EXTRACT_SUFX}
@@ -39,7 +39,7 @@ post-install:
.for i in 16 32 64 128
${INSTALL_DATA_DIR} ${PREFIX}/share/icons/hicolor/$ix$i/apps
${INSTALL_DATA} ${WRKSRC}/data/org.typed-hole.castor-$i.png \
- ${PREFIX}/share/icons/hicolor/apps/$ix$i/apps/
+ ${PREFIX}/share/icons/hicolor/$ix$i/apps/
.endfor
${INSTALL_DATA_DIR} ${PREFIX}/share/icons/hicolor/scalable/apps
${INSTALL_DATA} ${WRKSRC}/data/org.typed-hole.castor.svg \