Rename 2013/runme to cable3.sh

This is to be consistent with other entries that have wrapper scripts
for the entry which are named winner.sh.

2013/cable3/Makefile

@@ -119,7 +119,7 @@ ENTRY= cable3
 PROG= ${ENTRY}
 #
 OBJ= ${PROG}.o
-DATA= bios fd.img runme sc-ioccc.terminal screenshot_autocad.png \
+DATA= bios fd.img cable3.sh sc-ioccc.terminal screenshot_autocad.png \
 	screenshot_flightsim4.png screenshot_lotus123.png screenshot_qbasic.png \
 	screenshot_simcity.png screenshot_win3_on_macosx.png
 TARGET= ${PROG}