Skip tests pthread_setschedparam/5-1.c since Emscripten does not support signals.

Author: juj

conformance/interfaces/pthread_setschedparam/5-1.c

@@ -221,6 +221,11 @@ int main ( int argc, char * argv[] )
 
 	struct sigaction sa;
 
+#ifdef __EMSCRIPTEN__
+	printf("Test SKIPPED: signals are not supported in Emscripten.\n");
+	exit(0);
+#endif
+
 	/* Initialize output routine */
 	output_init();