Remove unneeded virtual calls
diff --git a/tinyxml2.cpp b/tinyxml2.cpp
index 9688e5d..fb8e692 100755
--- a/tinyxml2.cpp
+++ b/tinyxml2.cpp
@@ -1257,7 +1257,7 @@
 const char* XMLElement::GetText() const

 {

     if ( FirstChild() && FirstChild()->ToText() ) {

-        return FirstChild()->ToText()->Value();

+        return FirstChild()->Value();

     }

     return 0;

 }

@@ -1317,7 +1317,7 @@
 XMLError XMLElement::QueryIntText( int* ival ) const

 {

     if ( FirstChild() && FirstChild()->ToText() ) {

-        const char* t = FirstChild()->ToText()->Value();

+        const char* t = FirstChild()->Value();

         if ( XMLUtil::ToInt( t, ival ) ) {

             return XML_SUCCESS;

         }

@@ -1330,7 +1330,7 @@
 XMLError XMLElement::QueryUnsignedText( unsigned* uval ) const

 {

     if ( FirstChild() && FirstChild()->ToText() ) {

-        const char* t = FirstChild()->ToText()->Value();

+        const char* t = FirstChild()->Value();

         if ( XMLUtil::ToUnsigned( t, uval ) ) {

             return XML_SUCCESS;

         }

@@ -1343,7 +1343,7 @@
 XMLError XMLElement::QueryBoolText( bool* bval ) const

 {

     if ( FirstChild() && FirstChild()->ToText() ) {

-        const char* t = FirstChild()->ToText()->Value();

+        const char* t = FirstChild()->Value();

         if ( XMLUtil::ToBool( t, bval ) ) {

             return XML_SUCCESS;

         }

@@ -1356,7 +1356,7 @@
 XMLError XMLElement::QueryDoubleText( double* dval ) const

 {

     if ( FirstChild() && FirstChild()->ToText() ) {

-        const char* t = FirstChild()->ToText()->Value();

+        const char* t = FirstChild()->Value();

         if ( XMLUtil::ToDouble( t, dval ) ) {

             return XML_SUCCESS;

         }

@@ -1369,7 +1369,7 @@
 XMLError XMLElement::QueryFloatText( float* fval ) const

 {

     if ( FirstChild() && FirstChild()->ToText() ) {

-        const char* t = FirstChild()->ToText()->Value();

+        const char* t = FirstChild()->Value();

         if ( XMLUtil::ToFloat( t, fval ) ) {

             return XML_SUCCESS;

         }