Remove thumb.png, now in Minos2

Makefile.in

@@ -46,7 +46,7 @@ SOURCES = 64bit.fs base64.fs base85.fs crypto-api.fs debugging.fs	      \
 	  android/net.fs android/notify.fs linux/net.fs linux/notify.fs	      \
 	  dhtroot.fs dvcs.fs qrscan.fs android/qrscan-android.fs	      \
 	  linux/qrscan-linux.fs doc/net2o-200.png doc/net2o.png doc/user.png  \
-	  doc/thumb.png json/parser.fs json/g+-schema.fs json/g+-import.fs    \
+	  json/parser.fs json/g+-schema.fs json/g+-import.fs		      \
 	  json/fb-schema.fs json/twitter-schema.fs json/test.fs		      \
 	  json/test.json json/diaspora-schema.fs html/parser.fs xml/parser.fs \
 	  xml/blogger-atom.fs

gui.fs

@@ -402,12 +402,11 @@ Variable dummy-thumb#
 Variable user.png$
 Variable thumb.png$
 : ]path ( addr u -- )
-    open-fpath-file throw rot close-file throw ]] SLiteral [[
-    ] ;
+    file>fpath ]] SLiteral [[ ] ;
 : read-user.png ( -- )
     [ "doc/user.png" ]path user.png$ $slurp-file ;
 : read-thumb.png ( -- )
-    [ "doc/thumb.png" ]path thumb.png$ $slurp-file ;
+    [ "minos2/thumb.png" ]path thumb.png$ $slurp-file ;
 : user-avatar ( -- addr )
     user-avatar# @ 0= IF
 	read-user.png user.png$ $@ mem>thumb atlas-region