Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
qtcwin.c:175:6: error: conflicting types for ‘draw_qtc_panel’; have ‘void(int)’
  175 | void draw_qtc_panel(int direction) {
      |      ^~~~~~~~~~~~~~
qtcwin.c:56:6: note: previous declaration of ‘draw_qtc_panel’ with type ‘void(void)’
   56 | void draw_qtc_panel();
      |      ^~~~~~~~~~~~~~

This is relevant error message showing that compilation failed due to incompatible data types.