*: use ESC define instead of "\033"; use ESC[m instead of ESC[0m

text	   data	    bss	    dec	    hex	filename
 922535	    481	   6832	 929848	  e3038	busybox_old
 922534	    481	   6832	 929847	  e3037	busybox_unstripped

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

libbb/lineedit.c

@@ -2868,7 +2868,7 @@ int main(int argc, char **argv)
 #if ENABLE_FEATURE_EDITING_FANCY_PROMPT
 		"\\[\\033[32;1m\\]\\u@\\[\\x1b[33;1m\\]\\h:"
 		"\\[\\033[34;1m\\]\\w\\[\\033[35;1m\\] "
-		"\\!\\[\\e[36;1m\\]\\$ \\[\\E[0m\\]";
+		"\\!\\[\\e[36;1m\\]\\$ \\[\\E[m\\]";
 #else
 		"% ";
 #endif