Removed maperrno() since it's no longer needed.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4706 b7a2c559-68d2-44c3-8de9-860c34a00d81

libsrc/common/Makefile

@@ -138,7 +138,6 @@ S_OBJS = 	_cwd.o                  \
 	 	longjmp.o	        \
 	 	ltoa.o	    	        \
 		malloc.o	        \
-		maperrno.o  	        \
 		memchr.o    	        \
 		memcmp.o    	        \
 	 	memcpy.o      	        \

libsrc/common/maperrno.s

@@ -1,28 +0,0 @@
-;
-; Ullrich von Bassewitz, 24.06.2000
-;
-; void _maperrno(void);
-; /* Map an OS error to a system independent error code */
-;
-; Second entry setoserror maps the OS error code in A to an errno code
-; and stores it into errno. _oserror is cleared.
-
-
-        .include        "errno.inc"
-
-
-.code
-
-__maperrno:
-	lda	__oserror		; Get the error code
-       	beq    	L9			; Jump if no error
-seterrnofromoserror:     
-	ldx	#$00			; Clear error
-	stx	__oserror
-	jsr	__osmaperrno		; Map the code
-       	sta    	__errno
-	stx	__errno+1
-L9:	rts
-
-
-