Update attribute handling to use int32_t and uint32_t types.

The commit changes the attribute handling in the code to utilize int32_t and uint32_t types for better consistency and compatibility.

tinyxml2.cpp

@@ -2777,7 +2777,7 @@ void XMLPrinter::PushAttribute( const char* name, const char* value )
 }
 
 
-void XMLPrinter::PushAttribute( const char* name, int v )
+void XMLPrinter::PushAttribute( const char* name, int32_t v )
 {
     char buf[BUF_SIZE];
     XMLUtil::ToStr( v, buf, BUF_SIZE );
@@ -2785,7 +2785,7 @@ void XMLPrinter::PushAttribute( const char* name, int v )
 }
 
 
-void XMLPrinter::PushAttribute( const char* name, unsigned v )
+void XMLPrinter::PushAttribute( const char* name, uint32_t v )
 {
     char buf[BUF_SIZE];
     XMLUtil::ToStr( v, buf, BUF_SIZE );

tinyxml2.h

@@ -2258,8 +2258,8 @@ public:
     void OpenElement( const char* name, bool compactMode=false );
     /// If streaming, add an attribute to an open element.
     void PushAttribute( const char* name, const char* value );
-    void PushAttribute( const char* name, int value );
-    void PushAttribute( const char* name, unsigned value );
+    void PushAttribute( const char* name, int32_t value );
+    void PushAttribute( const char* name, uint32_t value );
 	void PushAttribute( const char* name, int64_t value );
 	void PushAttribute( const char* name, uint64_t value );
 	void PushAttribute( const char* name, bool value );