Update SetText method parameters to use int32_t and uint32_t.

This change updates the SetText method in both the .cpp and .h files to use int32_t and uint32_t types for better consistency and clarity.

tinyxml2.cpp

@@ -1723,7 +1723,7 @@ void	XMLElement::SetText( const char* inText )
 }
 
 
-void XMLElement::SetText( int v )
+void XMLElement::SetText( int32_t v )
 {
     char buf[BUF_SIZE];
     XMLUtil::ToStr( v, buf, BUF_SIZE );
@@ -1731,7 +1731,7 @@ void XMLElement::SetText( int v )
 }
 
 
-void XMLElement::SetText( unsigned v )
+void XMLElement::SetText( uint32_t v )
 {
     char buf[BUF_SIZE];
     XMLUtil::ToStr( v, buf, BUF_SIZE );

tinyxml2.h

@@ -1586,9 +1586,9 @@ public:
     */
 	void SetText( const char* inText );
     /// Convenience method for setting text inside an element. See SetText() for important limitations.
-    void SetText( int value );
+    void SetText( int32_t value );
     /// Convenience method for setting text inside an element. See SetText() for important limitations.
-    void SetText( unsigned value );
+    void SetText( uint32_t value );
 	/// Convenience method for setting text inside an element. See SetText() for important limitations.
 	void SetText(int64_t value);
     /// Convenience method for setting text inside an element. See SetText() for important limitations.