Move declaration of overload_resolution to value.h

The variable is defined in valops.c and has an extern decl in
eval.c; move it to the header file.

gdb/ChangeLog:

2019-09-19  Christian Biesinger  <cbiesinger@google.com>

	* eval.c: Move declaration of overload_resolution to...
	* value.h: ...here.

1 files changed, 0 insertions, 3 deletions

diff --git a/gdb/eval.c b/gdb/eval.c
index f8915b9..70ba1f1 100644
--- a/gdb/eval.c
+++ b/gdb/eval.c
@@ -42,9 +42,6 @@
 #include "typeprint.h"
 #include <ctype.h>
 
-/* This is defined in valops.c */
-extern bool overload_resolution;
-
 /* Prototypes for local functions.  */
 
 static struct value *evaluate_subexp_for_sizeof (struct expression *, int *,