Add getcallerpc, sort.
 [jmk] --rw-rw-r-- M 107020 glenda sys 392 Nov 19 20:39 sys/src/ape/lib/9/mkfile
	/n/sourcesdump/2005/1119/plan9/sys/src/ape/lib/9/mkfile:4,18 - 
	/n/sourcesdump/2005/1120/plan9/sys/src/ape/lib/9/mkfile:4,20
	  LIB=/$objtype/lib/ape/lib9.a
	  OFILES=errstr.$O\
	  	bind.$O\
	+ 	getcallerpc.$O\
	+ 	getfcr.$O\
	  	mount.$O\
	- 	unmount.$O\
	+ 	rendezvous.$O\
	  	rfork.$O\
	  	segattach.$O\
	  	segdetach.$O\
	  	segflush.$O\
	  	segfree.$O\
	- 	rendezvous.$O\
	- 	getfcr.$O\
	+ 	setmalloctag.$O\
	+ 	unmount.$O\
	  
	  </sys/src/cmd/mksyslib