[gnumeric] Search: fix search for negative number.

[Morten Welinder <mortenw src gnome org>]

commit 628144e621174c5cbf2389d159476022567c50d5
Author: Morten Welinder <terra gnome org>
Date:   Tue May 26 14:19:58 2009 -0400

    Search: fix search for negative number.
---
 src/search.c |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/search.c b/src/search.c
index e83f3ed..c658e84 100644
--- a/src/search.c
+++ b/src/search.c
@@ -59,8 +59,13 @@ check_number (GnmSearchReplace *sr)
 
 	if (v) {
 		gnm_float f = value_get_as_float (v);
-		sr->low_number = gnm_sub_epsilon (f);
-		sr->high_number = gnm_add_epsilon (f);
+		if (f < 0) {
+			sr->low_number = gnm_add_epsilon (f);
+			sr->high_number = gnm_sub_epsilon (f);
+		} else {
+			sr->low_number = gnm_sub_epsilon (f);
+			sr->high_number = gnm_add_epsilon (f);
+		}
 		value_release (v);
 		return TRUE;
 	} else {