[metacity] testboxes: fix build warnings

[Alberts Muktupāvels <muktupavels src gnome org>]

commit bda6bae0f7a5cb11d3ff70ec45f50abbc87606f4
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Sep 20 06:47:42 2015 +0300

    testboxes: fix build warnings

 src/core/testboxes.c |   38 +++++++++++++++++++++-----------------
 1 files changed, 21 insertions(+), 17 deletions(-)
---
diff --git a/src/core/testboxes.c b/src/core/testboxes.c
index 40a3278..3bd4df0 100644
--- a/src/core/testboxes.c
+++ b/src/core/testboxes.c
@@ -29,7 +29,7 @@
 #define NUM_RANDOM_RUNS 10000
 
 static void
-init_random_ness ()
+init_random_ness (void)
 {
   srand(time(NULL));
 }
@@ -98,7 +98,7 @@ new_xinerama_edge (int x, int y, int width, int height, int side_type)
 }
 
 static void
-test_area ()
+test_area (void)
 {
   MetaRectangle temp;
   int i;
@@ -115,7 +115,7 @@ test_area ()
 }
 
 static void
-test_intersect ()
+test_intersect (void)
 {
   MetaRectangle a = {100, 200,  50,  40};
   MetaRectangle b = {  0,  50, 110, 152};
@@ -143,7 +143,7 @@ test_intersect ()
 }
 
 static void
-test_equal ()
+test_equal (void)
 {
   MetaRectangle a = {10, 12, 4, 18};
   MetaRectangle b = a;
@@ -162,7 +162,7 @@ test_equal ()
 }
 
 static void
-test_overlap_funcs ()
+test_overlap_funcs (void)
 {
   MetaRectangle temp1, temp2;
   int i;
@@ -185,7 +185,7 @@ test_overlap_funcs ()
 }
 
 static void
-test_basic_fitting ()
+test_basic_fitting (void)
 {
   MetaRectangle temp1, temp2, temp3;
   int i;
@@ -275,6 +275,8 @@ get_strut_list (int which)
       ans = g_slist_prepend (ans, new_meta_strut (   0,    0, 1600,   40, wc));
       ans = g_slist_prepend (ans, new_meta_strut (   0,    0, 1600,   20, wc));
       break;
+    default:
+      break;
     }
 
   return ans;
@@ -320,6 +322,7 @@ get_xinerama_edges (int which_xinerama_set, int which_strut_set)
   GList *ret;
   GSList *struts;
   GList *xins;
+  MetaRectangle screenrect;
 
   xins = NULL;
   g_assert (which_xinerama_set >=0 && which_xinerama_set <= 3);
@@ -341,11 +344,12 @@ get_xinerama_edges (int which_xinerama_set, int which_strut_set)
       xins = g_list_prepend (xins, new_meta_rect (  0, 600,  800,  600));
       xins = g_list_prepend (xins, new_meta_rect (800, 600,  800,  600));
       break;
+    default:
+      break;
     }
 
   ret = NULL;
 
-  MetaRectangle screenrect;
   screenrect.x = 0;
   screenrect.y = 0;
   screenrect.width = 1600;
@@ -584,7 +588,7 @@ verify_lists_are_equal (GList *code, GList *answer)
 }
 
 static void
-test_regions_okay ()
+test_regions_okay (void)
 {
   GList* region;
   GList* tmp;
@@ -676,7 +680,7 @@ test_regions_okay ()
 }
 
 static void
-test_region_fitting ()
+test_region_fitting (void)
 {
   GList* region;
   MetaRectangle rect;
@@ -720,7 +724,7 @@ test_region_fitting ()
 }
 
 static void
-test_clamping_to_region ()
+test_clamping_to_region (void)
 {
   GList* region;
   MetaRectangle rect;
@@ -837,7 +841,7 @@ rect_overlaps_region (const GList         *spanning_rects,
 gboolean time_to_print = FALSE;
 
 static void
-test_clipping_to_region ()
+test_clipping_to_region (void)
 {
   GList* region;
   MetaRectangle rect, temp;
@@ -899,7 +903,7 @@ test_clipping_to_region ()
 }
 
 static void
-test_shoving_into_region ()
+test_shoving_into_region (void)
 {
   GList* region;
   MetaRectangle rect, temp;
@@ -1016,7 +1020,7 @@ verify_edge_lists_are_equal (GList *code, GList *answer)
 }
 
 static void
-test_find_onscreen_edges ()
+test_find_onscreen_edges (void)
 {
   GList* edges;
   GList* tmp;
@@ -1149,7 +1153,7 @@ test_find_onscreen_edges ()
 }
 
 static void
-test_find_nonintersected_xinerama_edges ()
+test_find_nonintersected_xinerama_edges (void)
 {
   GList* edges;
   GList* tmp;
@@ -1238,7 +1242,7 @@ test_find_nonintersected_xinerama_edges ()
 }
 
 static void
-test_gravity_resize ()
+test_gravity_resize (void)
 {
   MetaRectangle oldrect, rect, temp;
 
@@ -1339,7 +1343,7 @@ test_gravity_resize ()
 }
 
 static void
-test_find_closest_point_to_line ()
+test_find_closest_point_to_line (void)
 {
   double x1, y1, x2, y2, px, py, rx, ry;
   double answer_x, answer_y;
@@ -1391,7 +1395,7 @@ test_find_closest_point_to_line ()
 }
 
 int
-main()
+main (int argc, char **argv)
 {
   init_random_ness ();
   test_area ();