[planner] Make the solid lines 1px wide, for consistency

[Alexandre Franke <afranke src gnome org>]

commit 6a79647e5711b2b8d7435cacc3452e643d2f05e6
Author: Andrew Miloradovsky <miloradovsky gmail com>
Date:   Fri Apr 21 11:37:58 2017 +0000

    Make the solid lines 1px wide, for consistency
    
    https://bugzilla.gnome.org/show_bug.cgi?id=781516

 src/planner-gantt-background.c |    4 ++--
 src/planner-relation-arrow.c   |    2 +-
 src/planner-usage-row.c        |    2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/planner-gantt-background.c b/src/planner-gantt-background.c
index 806e311..02e6103 100644
--- a/src/planner-gantt-background.c
+++ b/src/planner-gantt-background.c
@@ -380,7 +380,7 @@ gantt_background_realize (GnomeCanvasItem *item)
        priv->border_gc = gdk_gc_new (item->canvas->layout.bin_window);
        gdk_gc_set_foreground (priv->border_gc, &color);
        gdk_gc_set_line_attributes (priv->border_gc,
-                                   0,
+                                   1,
                                    GDK_LINE_SOLID,
                                    GDK_CAP_BUTT,
                                    GDK_JOIN_MITER);
@@ -407,7 +407,7 @@ gantt_background_realize (GnomeCanvasItem *item)
        priv->guidelines_gc = gdk_gc_new (item->canvas->layout.bin_window);
        gdk_gc_set_foreground (priv->guidelines_gc, &color);
        gdk_gc_set_line_attributes (priv->guidelines_gc,
-                                   0,
+                                   1,
                                    GDK_LINE_SOLID,
                                    GDK_CAP_BUTT,
                                    GDK_JOIN_MITER);
diff --git a/src/planner-relation-arrow.c b/src/planner-relation-arrow.c
index cfd5e83..e035a23 100644
--- a/src/planner-relation-arrow.c
+++ b/src/planner-relation-arrow.c
@@ -741,7 +741,7 @@ relation_arrow_draw (GnomeCanvasItem *item,
 
        gc = gdk_gc_new (drawable);
        gdk_gc_set_line_attributes (gc,
-                                   0,
+                                   1,
                                    GDK_LINE_SOLID,
                                    GDK_CAP_BUTT,
                                    GDK_JOIN_MITER);
diff --git a/src/planner-usage-row.c b/src/planner-usage-row.c
index 22eb747..91ddeaf 100644
--- a/src/planner-usage-row.c
+++ b/src/planner-usage-row.c
@@ -790,7 +790,7 @@ usage_row_realize (GnomeCanvasItem * item)
 
         priv->frame_gc = gdk_gc_new (item->canvas->layout.bin_window);
         gdk_gc_set_line_attributes (priv->frame_gc,
-                                    0,
+                                    1,
                                     GDK_LINE_SOLID,
                                     GDK_CAP_BUTT, GDK_JOIN_MITER);
 }