Two fixes to get unicorn build better with MSVC. (#1136)

* Change MSVC keywords.

typename, class, and class are all keywords for MSVC. Adding a suffix for
all of them allows a successful compilation under VC 2017 (15.9).

* Switch from /ZI to /Zi to avoid crashes at longjmp in debug builds.

uc.c

@@ -28,7 +28,7 @@
 static void free_table(gpointer key, gpointer value, gpointer data)
 {
     TypeInfo *ti = (TypeInfo*) value;
-    g_free((void *) ti->class);
+    g_free((void *) ti->class_);
     g_free((void *) ti->name);
     g_free((void *) ti->parent);
     g_free((void *) ti);