Really fix trailing spaces in the generated wxSTC file

Commit 496da2e550 removed the trailing
spaces from the generated file, but they were reintroduced whenever it
was regenerated.

Really fix this by removing the extra spaces from the script generating
the file.

See https://github.com/wxWidgets/wxWidgets/pull/787

src/stc/gen_iface.py

@@ -228,8 +228,7 @@ methodOverrideMap = {
         strm.CopyTo(buff, len);
         buff[len] = 0;
         SendMsg(%s, markerNumber, (sptr_t)buff);
-        delete [] buff;
-        '''
+        delete [] buff;'''
     ),
 
     'GetMargins' : ('GetMarginCount', 0, 0),
@@ -552,8 +551,7 @@ methodOverrideMap = {
         strm.CopyTo(buff, len);
         buff[len] = 0;
         SendMsg(%s, type, (sptr_t)buff);
-        delete [] buff;
-     '''
+        delete [] buff;'''
     ),
 
     'SetHScrollBar' : ('SetUseHorizontalScrollBar', 0, 0),
@@ -1049,7 +1047,7 @@ methodOverrideMap = {
     (0,
      'void* %s(int bytes) const;',
      """void* %s(int bytes) const {
-         return (void*)(sptr_t)SendMsg(%s, bytes); """
+         return (void*)(sptr_t)SendMsg(%s, bytes);"""
     ),
 
     'GetRepresentation' :
@@ -1070,7 +1068,7 @@ methodOverrideMap = {
      (0,
       'void* %s(int operation, void* pointer);',
       """void* %s(int operation, void* pointer) {
-           return (void*)(sptr_t)SendMsg(%s, operation, (sptr_t)pointer); """
+           return (void*)(sptr_t)SendMsg(%s, operation, (sptr_t)pointer);"""
      ),
 
     'GetSubStyleBases' :

src/stc/stc.cpp

@@ -675,7 +675,6 @@ void wxStyledTextCtrl::MarkerDefineBitmap(int markerNumber, const wxBitmap& bmp)
         buff[len] = 0;
         SendMsg(SCI_MARKERDEFINEPIXMAP, markerNumber, (sptr_t)buff);
         delete [] buff;
-
 }
 
 // Add a set of markers to a line.
@@ -1478,7 +1477,6 @@ void wxStyledTextCtrl::RegisterImage(int type, const wxBitmap& bmp) {
         buff[len] = 0;
         SendMsg(SCI_REGISTERIMAGE, type, (sptr_t)buff);
         delete [] buff;
-
 }
 
 // Clear all the registered images.