Make '=' shorthand for destionation being current directory

src/utilsrc/apple/copy.pla

@@ -217,6 +217,9 @@ if not except(exit)
                 pathcpy(@dstpath, arg)
                 arg = argNext(arg)
             loop
+            if dstpath[0] == 1 and dstpath[1] == '='
+                fileio:getpfx(@dstpath)
+            fin
             if not chkdstpath(@dstpath) and (srccnt > 1 or isWildName(srcfilelist))
                 puts("Destination must be a directory: "); puts(@dstpath); putln
                 return