*: use "can't" instead of "cannot"

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

editors/ed.c

@@ -456,7 +456,7 @@ static void subCommand(const char *cmd, int num1, int num2)
 		 */
 		nlp = malloc(sizeof(LINE) + lp->len + deltaLen);
 		if (nlp == NULL) {
-			bb_error_msg("cannot get memory for line");
+			bb_error_msg("can't get memory for line");
 			return;
 		}
 
@@ -983,7 +983,7 @@ static NOINLINE int searchLines(const char *str, int num1, int num2)
 		lp = lp->next;
 	}
 
-	bb_error_msg("cannot find string \"%s\"", str);
+	bb_error_msg("can't find string \"%s\"", str);
 	return 0;
 }
 

editors/sed.c

@@ -1337,7 +1337,7 @@ int sed_main(int argc UNUSED_PARAM, char **argv)
 			G.outname = xasprintf("%sXXXXXX", argv[i]);
 			nonstdoutfd = mkstemp(G.outname);
 			if (-1 == nonstdoutfd)
-				bb_perror_msg_and_die("cannot create temp file %s", G.outname);
+				bb_perror_msg_and_die("can't create temp file %s", G.outname);
 			G.nonstdout = fdopen(nonstdoutfd, "w");
 
 			/* Set permissions of output file */

editors/vi.c

@@ -2335,7 +2335,7 @@ static int file_insert(const char *fn, char *p, int update_ro_status)
 	} else if (cnt < size) {
 		// There was a partial read, shrink unused space text[]
 		p = text_hole_delete(p + cnt, p + (size - cnt) - 1);	// un-do buffer insert
-		status_line_bold("cannot read all of file \"%s\"", fn);
+		status_line_bold("can't read all of file \"%s\"", fn);
 	}
 	if (cnt >= size)
 		file_modified++;