[goffice] math: plug leak.

[Morten Welinder <mortenw src gnome org>]

commit f396320b4d7402a87b8ebfa49e33a6c794b92d27
Author: Morten Welinder <terra gnome org>
Date:   Wed Aug 17 23:19:16 2016 -0400

    math: plug leak.

 ChangeLog                    |    5 +++++
 NEWS                         |    4 ++++
 goffice/math/go-regression.c |    1 +
 3 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 4159b18..1a3c362 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2016-08-17  Morten Welinder  <terra gnome org>
+
+       * goffice/math/go-regression.c (go_linear_regression_leverage):
+       Plug leak.
+
 2016-06-29  Morten Welinder <terra gnome org>
 
        * configure.ac: Post-release bump.
diff --git a/NEWS b/NEWS
index cdcb91a..95d09b0 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,9 @@
 goffice 0.10.32:
 
+Morten:
+       * Plug leak.
+       * Avoid gnome-common dependency.
+
 --------------------------------------------------------------------------
 goffice 0.10.31:
 
diff --git a/goffice/math/go-regression.c b/goffice/math/go-regression.c
index 866f51d..348ae84 100644
--- a/goffice/math/go-regression.c
+++ b/goffice/math/go-regression.c
@@ -1788,6 +1788,7 @@ SUFFIX(go_linear_regression_leverage) (MATRIX A, DOUBLE *d, int m, int n)
        } else
                regres = GO_REG_invalid_data;
 
+       SUFFIX(go_quad_matrix_free) (qA);
        g_free (xscale);
 
        SUFFIX(go_quad_end) (state);