- Update GCC reference from 3.3 to 4.2 [1]

- Add reference to c99(7)

Submitted by:	stefanf

usr.bin/c99/c99.1

@@ -26,7 +26,7 @@
 .\" From FreeBSD: src/usr.bin/c89/c89.1,v 1.11 2007/03/10 07:10:01 ru Exp
 .\" $FreeBSD$
 .\"
-.Dd October 7, 2002
+.Dd June 17, 2010
 .Dt C99 1
 .Os
 .Sh NAME
@@ -181,7 +181,8 @@ operand is significant.
 .Sh SEE ALSO
 .Xr ar 1 ,
 .Xr c89 1 ,
-.Xr cc 1
+.Xr cc 1 ,
+.Xr c99 7
 .Sh STANDARDS
 The
 .Nm
@@ -195,4 +196,4 @@ features that
 .Tn GCC
 actually implements.
 See
-.Pa http://gcc.gnu.org/gcc-3.3/c99status.html .
+.Pa http://gcc.gnu.org/gcc-4.2/c99status.html .