[goffice] dtoa: fix FMR.

[Morten Welinder <mortenw src gnome org>]

commit 421b4193b07ac3669f3db98cba3a818a5d771feb
Author: Morten Welinder <terra gnome org>
Date:   Tue Apr 29 09:06:44 2014 -0400

    dtoa: fix FMR.
    
    A patch to musl was incorrectly imported, it seems.

 ChangeLog              |    4 ++++
 goffice/math/go-dtoa.c |    2 +-
 2 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 4ca6f57..b7b0705 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2014-04-29  Morten Welinder  <terra gnome org>
+
+       * goffice/math/go-dtoa.c (fmt_fp): Fix FMR.
+
 2014-04-28  Morten Welinder  <terra gnome org>
 
        * tests/test-format.c (test_general_format): Simple test for
diff --git a/goffice/math/go-dtoa.c b/goffice/math/go-dtoa.c
index ebd379f..7434076 100644
--- a/goffice/math/go-dtoa.c
+++ b/goffice/math/go-dtoa.c
@@ -315,7 +315,7 @@ static int fmt_fp(FAKE_FILE *f, long double y, int w, int p, int fl, int t)
                }
                if (z>d+1) z=d+1;
        }
-       for (; !z[-1] && z>a; z--);
+       for (; z>a && !z[-1]; z--);
        
        if ((t|32)=='g') {
                if (!p) p++;