bc: fix memory leak patch from LFS

srcpkgs/bc/patches/bc-1.06.95-memory_leak-1.patch

@@ -0,0 +1,38 @@
+Submitted By: Bruce Dubbs (bdubbs at linuxfromscratch dot org)
+Date: 2014-04-18
+Initial Package Version: 1.06.95
+Origin: Gentoo
+Description: Fixes memory leaks and an uninitialized variable
+ 
+--- bc/bc.y	2006-09-04 21:39:31.000000000 -0500
++++ bc/bc.y	2014-04-09 13:27:04.602661243 -0500
+@@ -569,6 +569,7 @@
+ 				    generate (">");
+ 				  break;
+ 				}
++			        free($2);	
+ 			    }
+ 			| expression '+' expression
+ 			    {
+--- bc/storage.c	2006-09-04 21:39:31.000000000 -0500
++++ bc/storage.c	2014-04-09 13:28:11.770763410 -0500
+@@ -99,6 +99,7 @@
+     {
+       f = &functions[indx];
+       f->f_defined = FALSE;
++      f->f_void = FALSE;
+       f->f_body = (char *) bc_malloc (BC_START_SIZE);
+       f->f_body_size = BC_START_SIZE;
+       f->f_code_size = 0;
+--- bc/util.c	2006-09-04 21:39:31.000000000 -0500
++++ bc/util.c	2014-04-09 13:27:39.841190064 -0500
+@@ -602,8 +602,7 @@
+     case FUNCTDEF:
+       if (id->f_name != 0)
+ 	{
+-	  if (namekind != FUNCT)
+-	    free(name);
++	  free(name);
+ 	  /* Check to see if we are redefining a math lib function. */ 
+ 	  if (use_math && namekind == FUNCTDEF && id->f_name <= 6)
+ 	    id->f_name = next_func++;

srcpkgs/bc/template

@@ -1,7 +1,7 @@
 # Template file for 'bc'
 pkgname=bc
 version=1.06.95
-revision=5
+revision=6
 build_style=gnu-configure
 configure_args="--with-readline"
 hostmakedepends="flex"