gdb: Remove redundant null check

This patch simplifies the code at two points by removing redundant
null checks.  There is no functional impact.

Reviewed-By: Keith Seitz <keiths@redhat.com>
Approved-By: Pedro Alves <pedro@palves.net>
Change-Id: I76e1c7fad00e8fcb24ced7bfd75d19cdd6266c32

gdb/gnu-v2-abi.c

diff --git a/gdb/gnu-v2-abi.c b/gdb/gnu-v2-abi.c
index ab9f53b..94efa70 100644
--- a/gdb/gnu-v2-abi.c
+++ b/gdb/gnu-v2-abi.c
@@ -265,15 +265,9 @@ gnuv2_value_rtti_type (struct value *v, int *full, LONGEST *top, int *using_enc)
       if (top && ((*top) >0))
 	{
 	  if (rtti_type->length () > known_type->length ())
-	    {
-	      if (full)
-		*full=0;
-	    }
+	    *full = 0;
 	  else
-	    {
-	      if (full)
-		*full=1;
-	    }
+	    *full = 1;
 	}
     }
   else