fixed appveyor build

test_static_asserts/aggregates.cpp

@@ -123,7 +123,7 @@ namespace
   }
 }
 
-int main(int, char**)
+int main(int, char*[])
 {
   no_group_by();
   dynamic_group_by();

test_static_asserts/case.cpp

@@ -152,7 +152,7 @@ namespace
   }
 }
 
-int main(int, char**)
+int main(int, char*[])
 {
   when();
   then();

test_static_asserts/date.cpp

@@ -83,7 +83,7 @@ namespace
   }
 }
 
-int main(int, char**)
+int main(int, char*[])
 {
   allowed_comparands();
   disallowed_comparands();

test_static_asserts/date_time.cpp

@@ -83,7 +83,7 @@ namespace
   }
 }
 
-int main(int, char**)
+int main(int, char*[])
 {
   allowed_comparands();
   disallowed_comparands();

test_static_asserts/insert.cpp

@@ -168,7 +168,7 @@ namespace
   }
 }
 
-int main(int, char**)
+int main(int, char*[])
 {
   static_set();
   dynamic_set();

test_static_asserts/where.cpp

@@ -143,7 +143,7 @@ namespace
   }
 }
 
-int main(int, char**)
+int main(int, char*[])
 {
   static_where();
   dynamic_where();