[gnumeric] Solver: fix cplex constraint naming.

[Morten Welinder <mortenw src gnome org>]

commit ed7129562cb898123e299fc2c343d59f8c097087
Author: Morten Welinder <terra gnome org>
Date:   Tue Mar 22 19:22:03 2016 -0400

    Solver: fix cplex constraint naming.

 plugins/glpk/ChangeLog    |    4 ++++
 plugins/glpk/glpk-write.c |    2 +-
 2 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/plugins/glpk/ChangeLog b/plugins/glpk/ChangeLog
index 426bd96..378d311 100644
--- a/plugins/glpk/ChangeLog
+++ b/plugins/glpk/ChangeLog
@@ -1,3 +1,7 @@
+2016-03-22  Morten Welinder  <terra gnome org>
+
+       * glpk-write.c (glpk_create_program): Fix constraint numbering.
+
 2016-02-10  Morten Welinder  <terra gnome org>
 
        * glpk-write.c (glpk_file_save):  Handle the situation where
diff --git a/plugins/glpk/glpk-write.c b/plugins/glpk/glpk-write.c
index d1cdad9..7eed2d5 100644
--- a/plugins/glpk/glpk-write.c
+++ b/plugins/glpk/glpk-write.c
@@ -134,6 +134,7 @@ glpk_create_program (GnmSubSolver *ssol, GOIOContext *io_context, GError **err)
        gsize progress;
        GPtrArray *old = NULL;
        gnm_float *x1 = NULL, *x2 = NULL;
+       int cidx = 0;
 
        /* ---------------------------------------- */
 
@@ -224,7 +225,6 @@ glpk_create_program (GnmSubSolver *ssol, GOIOContext *io_context, GError **err)
                GnmSolverConstraint *c = l->data;
                const char *op = NULL;
                int i;
-               int cidx = 0;
                gnm_float cl, cr;
                GnmCell *lhs, *rhs;
                GString *type = NULL;