removed typo

src/ACGL/OpenGL/Objects/Shader.cc

@@ -286,7 +286,7 @@ void ShaderParser::readin( const std::string &_filename )
                     mSources.push_back( fileContent );
                     readin( fileToImport );
                     lineNumber++;
-                    fileContent = "#line "+StringHelpers::toString(:lineNumber)+" "+StringHelpers::toString(fileNumber)+"\n";
+                    fileContent = "#line "+StringHelpers::toString(lineNumber)+" "+StringHelpers::toString(fileNumber)+"\n";
                 } else {
                     // ignore:
                     lineNumber++;