build: cleanup comments after adding yet another libtool hack

Author: theuni

configure.ac

@@ -70,11 +70,12 @@ else
 fi
 AC_PROG_CXX
 
-dnl By default, libtool for mingw refuses to link static libs into a dll for
-dnl fear of mixing pic/non-pic objects, and import/export complications. Since
-dnl we have those under control, re-enable that functionality.
+dnl libtool overrides
 case $host in
   *mingw*)
+     dnl By default, libtool for mingw refuses to link static libs into a dll for
+     dnl fear of mixing pic/non-pic objects, and import/export complications. Since
+     dnl we have those under control, re-enable that functionality.
      lt_cv_deplibs_check_method="pass_all"
 
      dnl Remove unwanted -DDLL_EXPORT from these variables.