bc, tcsh: fix obvious PKG_SECTION typos

package/bc/Makefile

@@ -8,7 +8,7 @@ PKG_VERSION:=		1.06
 PKG_RELEASE:=		1
 PKG_MD5SUM:=		d44b5dddebd8a7a7309aea6c36fda117
 PKG_DESCR:=		An arbitrary precision calculator language
-PKG_SECTION:=		util
+PKG_SECTION:=		utils
 PKG_URL:=		http://www.gnu.org/software/bc
 PKG_SITES:=		http://ftp.gnu.org/pub/gnu/bc/
 

package/tcsh/Makefile

@@ -8,7 +8,7 @@ PKG_VERSION:=		6.17.00
 PKG_RELEASE:=		1
 PKG_MD5SUM:=		c47de903e3d52f6824c8dd0c91eeb477
 PKG_DESCR:=		alternative csh
-PKG_SECTION:=		shell
+PKG_SECTION:=		shells
 PKG_DEPENDS:=		libncurses
 PKG_BUILDDEP+=		ncurses
 PKG_URL:=		http://www.tcsh.org/Welcome