File buildfix.diff of Package calise

diff -bruNE calise-0.4.2/src/modules/camera.c calise-0.4.2_new/src/modules/camera.c
--- calise-0.4.2/src/modules/camera.c	2013-05-13 18:09:15.000000000 +0200
+++ calise-0.4.2_new/src/modules/camera.c	2015-09-02 18:20:20.747077365 +0200
@@ -246,7 +246,7 @@
         }
     }
 
-    Py_BuildValue("(isiiiii)", vqueryctrl.id, vqueryctrl.name, vqueryctrl.minimum, vqueryctrl.maximum, vqueryctrl.step, vqueryctrl.default_value, vstructrl.value);
+    return Py_BuildValue("(isiiiii)", vqueryctrl.id, vqueryctrl.name, vqueryctrl.minimum, vqueryctrl.maximum, vqueryctrl.step, vqueryctrl.default_value, vstructrl.value);
 }
 
 
@@ -391,6 +391,8 @@
 
     if (!buffers[0].start)
         return 2;
+    
+    return 0;
 }
 
 static int
@@ -442,6 +444,8 @@
         if (MAP_FAILED == buffers[n_buffers].start)
             return 31;
     }
+    
+    return 0;
 }
 
 static int
@@ -478,6 +482,8 @@
         if (!buffers[n_buffers].start)
             return 21;
     }
+    
+    return 0;
 }