[gcalctool] Unnecessary prototype

[Robert Ancell <rancell src gnome org>]

commit 17ff951ed06dbd0f8c57dd9a26069b0432fd49aa
Author: Robert Ancell <robert ancell gmail com>
Date:   Sun May 24 22:48:07 2009 +0200

    Unnecessary prototype
---
 src/mp.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/src/mp.c b/src/mp.c
index 8ea8330..69ebaee 100644
--- a/src/mp.c
+++ b/src/mp.c
@@ -30,8 +30,6 @@
 
 // FIXME: MP.t and MP.m modified inside functions, needs to be fixed to be thread safe
 
-static int mp_compare_mp_to_float(const MPNumber *, float);
-
 /*  SETS X TO THE LARGEST POSSIBLE POSITIVE MP NUMBER
  *  CHECK LEGALITY OF B, T, M AND MXR
  */