fix uint32 for none windows env (#2309)

Co-authored-by: Cedric Guillemet <[email protected]>

src/shader_dxbc.cpp

@@ -2046,14 +2046,14 @@ namespace bgfx
 			case DXBC_CHUNK_RDEF: // Resource definition.
 				chunkOffset[idx] = uint32_t(bx::seek(_writer) - dxbcOffset);
 				size += bx::write(_writer, DXBC_CHUNK_RDEF, _err);
-				size += bx::write(_writer, UINT32(_dxbc.rdef.rdefCode.size()), _err);
+				size += bx::write(_writer, uint32_t(_dxbc.rdef.rdefCode.size()), _err);
 				chunkSize[idx] = bx::write(_writer, _dxbc.rdef.rdefCode.data(), _dxbc.rdef.rdefCode.size(), _err);
 				size += chunkSize[idx++];
 				break;
 			case DXBC_CHUNK_STAT: // Statistics.
 				chunkOffset[idx] = uint32_t(bx::seek(_writer) - dxbcOffset);
 				size += bx::write(_writer, DXBC_CHUNK_STAT, _err);
-				size += bx::write(_writer, UINT32(_dxbc.rdef.rdefCode.size()), _err);
+				size += bx::write(_writer, uint32_t(_dxbc.rdef.rdefCode.size()), _err);
 				chunkSize[idx] = bx::write(_writer, _dxbc.rdef.rdefCode.data(), _dxbc.rdef.rdefCode.size(), _err);
 				size += chunkSize[idx++];
 				break;