--- qsampler/trunk/src/qsamplerMainForm.cpp	2011/07/18 08:18:30	2209
+++ qsampler/trunk/src/qsamplerMainForm.cpp	2011/07/18 08:18:36	2210
@@ -221,7 +221,7 @@
 	// Install SIGUSR1 signal handler.
     struct sigaction usr1;
     usr1.sa_handler = qsampler_sigusr1_handler;
-    ::sigemptyset(&usr1.sa_mask);
+    sigemptyset(&usr1.sa_mask);
     usr1.sa_flags = 0;
     usr1.sa_flags |= SA_RESTART;
     ::sigaction(SIGUSR1, &usr1, NULL);