fix template parameter

Author: Etienne Laurin

include/rapidjson/pointer.h

@@ -488,7 +488,7 @@ class GenericPointer {
                     v = &((*v)[t->index]);
                 }
                 else {
-                    typename ValueType::MemberIterator m = v->FindMember(GenericValue<Encoding>(GenericStringRef<Ch>(t->name, t->length)));
+                    typename ValueType::MemberIterator m = v->FindMember(GenericValue<EncodingType>(GenericStringRef<Ch>(t->name, t->length)));
                     if (m == v->MemberEnd()) {
                         v->AddMember(ValueType(t->name, t->length, allocator).Move(), ValueType().Move(), allocator);
                         v = &(--v->MemberEnd())->value; // Assumes AddMember() appends at the end
@@ -779,7 +779,7 @@ class GenericPointer {
             switch (v->GetType()) {
             case kObjectType:
                 {
-                    typename ValueType::MemberIterator m = v->FindMember(GenericValue<Encoding>(GenericStringRef<Ch>(t->name, t->length)));
+                    typename ValueType::MemberIterator m = v->FindMember(GenericValue<EncodingType>(GenericStringRef<Ch>(t->name, t->length)));
                     if (m == v->MemberEnd())
                         return false;
                     v = &m->value;