Patch from Lars Kellogg-Stedman <lars@larsshack.org> to fix bug
#1130 (i.e. When you turn on features it should always ADD features)
diff --git a/cmdedit.c b/cmdedit.c
index cc39e56..a877231 100644
--- a/cmdedit.c
+++ b/cmdedit.c
@@ -76,7 +76,7 @@
 #undef  BB_FEATURE_COMMAND_USERNAME_COMPLETION
 #endif
 
-#if defined(BB_FEATURE_COMMAND_USERNAME_COMPLETION) || !defined(BB_FEATURE_SH_SIMPLE_PROMPT)
+#if defined(BB_FEATURE_COMMAND_USERNAME_COMPLETION) || defined(BB_FEATURE_SH_FANCY_PROMPT)
 #define BB_FEATURE_GETUSERNAME_AND_HOMEDIR
 #endif
 
@@ -151,7 +151,7 @@
 static int len;			/* --- "" - - "" - -"- --""-- --""--- */
 static char *command_ps;	/* --- "" - - "" - -"- --""-- --""--- */
 static
-#ifdef BB_FEATURE_SH_SIMPLE_PROMPT
+#ifndef BB_FEATURE_SH_FANCY_PROMPT
 	const
 #endif
 char *cmdedit_prompt;		/* --- "" - - "" - -"- --""-- --""--- */
@@ -166,7 +166,7 @@
 static int my_euid;
 #endif
 
-#ifndef BB_FEATURE_SH_SIMPLE_PROMPT
+#ifdef BB_FEATURE_SH_FANCY_PROMPT
 static char *hostname_buf = "";
 static int num_ok_lines = 1;
 #endif
@@ -335,7 +335,7 @@
 	cursor = 0;
 }
 
-#ifdef BB_FEATURE_SH_SIMPLE_PROMPT
+#ifndef BB_FEATURE_SH_FANCY_PROMPT
 static void parse_prompt(const char *prmt_ptr)
 {
 	cmdedit_prompt = prmt_ptr;
@@ -1469,7 +1469,7 @@
 				history_counter++;
 			}
 		}
-#if !defined(BB_FEATURE_SH_SIMPLE_PROMPT)
+#if defined(BB_FEATURE_SH_FANCY_PROMPT)
 		num_ok_lines++;
 #endif
 	}
@@ -1478,7 +1478,7 @@
 #if defined(BB_FEATURE_CLEAN_UP) && defined(BB_FEATURE_COMMAND_TAB_COMPLETION)
 	input_tab(0);				/* strong free */
 #endif
-#if !defined(BB_FEATURE_SH_SIMPLE_PROMPT)
+#if defined(BB_FEATURE_SH_FANCY_PROMPT)
 	free(cmdedit_prompt);
 #endif
 	return;
@@ -1519,7 +1519,7 @@
 {
 	char buff[BUFSIZ];
 	char *prompt =
-#if !defined(BB_FEATURE_SH_SIMPLE_PROMPT)
+#if defined(BB_FEATURE_SH_FANCY_PROMPT)
 		"\\[\\033[32;1m\\]\\u@\\[\\x1b[33;1m\\]\\h:\
 \\[\\033[34;1m\\]\\w\\[\\033[35;1m\\] \
 \\!\\[\\e[36;1m\\]\\$ \\[\\E[0m\\]";