lv-tool: Switch default non-GL actor from "lv_analyzer" to "lv_scope"

(cherry picked from commit 8639cc4)

Author: hartwork

libvisual/tools/lv-tool/lv-tool.cpp

@@ -41,7 +41,7 @@
 
 // Defaults
 #define DEFAULT_ACTOR_GL "lv_gltest"
-#define DEFAULT_ACTOR_NONGL "lv_analyzer"
+#define DEFAULT_ACTOR_NONGL "lv_scope"
 #define DEFAULT_INPUT   "debug"
 #define DEFAULT_MORPH   "slide_left"
 #define DEFAULT_WIDTH   640