trivial fixes

diff --git a/lib/devices/render.c b/lib/devices/render.c
index 1865e88..e63532a 100644 (file)
--- a/lib/devices/render.c
+++ b/lib/devices/render.c
@@ -20,6 +20,7 @@
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <math.h>
 #include <memory.h>
 #include "../gfxdevice.h"
 #include "../gfxtools.h"
@@ -707,6 +708,7 @@ int  render_result_save(gfxresult_t*r, char*filename)
     } else {
        writePNG(filename, (unsigned char*)i->img, i->width, i->height);
     }
+    return 1;
 }
 void*render_result_get(gfxresult_t*r, char*name)
 {