template.c: silent mode fixes

src/template.c

@@ -164,7 +164,7 @@ main(void)
 
 	// * write WAVE headers
 	// 0. log
-#if SEQUENTIAL_MODE
+#if !SILENT_MODE && SEQUENTIAL_MODE
 	puts("Writing WAVE headers...");
 #endif
 
@@ -219,8 +219,10 @@ main(void)
 	size_t BLOCK_SIZE = BLOCK_SIZE_BYTES / (sizeof(SAMPLE_TYPE) /
 		sizeof(uint8_t));
 	if (BLOCK_SIZE < 1) {
+# if !SILENT_MODE
 		printf("The block size " INT2STR(BLOCK_SIZE_BYTES) " is too small, "
 		       "should be at least %" PRIuMAX " bytes\n", MINIMUM_BLOCK_SIZE);
+# endif
 		return EXIT_FAILURE;
 	}