[BusyBox] fix sh memory leak

[Gennady Feldman]

Hello Erik.

    First of all congrats on the release. Second here is some small cleanup of the
code which is not longer necessary. Addresses the prompt (get_last_path_component)
code.

G.F.

-------------- next part --------------
Index: sh.c
===================================================================
RCS file: /var/cvs/busybox/sh.c,v
retrieving revision 1.62
diff -u -r1.62 sh.c
--- sh.c	2000/12/12 23:45:36	1.62
+++ sh.c	2000/12/14 19:31:45
@@ -710,14 +710,8 @@
 		signal(SIGWINCH, SIG_DFL);
 		return 0;
 #else
-		i=strlen(cwd);
-		i--;
-		if (i>1){
-			while ((i>0) && (*(cwd+i)!='/') ) i--;
-			if (*(cwd+i)=='/') i++;
-		}
-		
-		fprintf(stdout, "[%s@%s %s]%s",user, buf, (cwd+i), prompt);
+		fprintf(stdout, "[%s@%s %s]%s",user, buf, 
+			get_last_path_component(cwd), prompt);
 		fflush(stdout);
 #endif
 	}