Added safety belt for the case of sending header twice.

The aforementioned situation is abnormal per se and as such it now forces
request termination with appropriate error message.
1 file changed
tree: 185d65ce4f257a7b7c7ef57c0dcf2215f6562cd4
  1. auto/
  2. conf/
  3. contrib/
  4. docs/
  5. misc/
  6. src/
  7. .hgtags