Merge commit 'ba6a49e6'

* commit 'ba6a49e6':
  configure: Clean up temporary files on interrupt
Merged-by: Clément Bœsch <u@pkh.me>

configure

@@ -3788,6 +3788,7 @@ tmpfile(){
 }
 
 trap 'rm -rf -- "$FFTMPDIR"' EXIT
+trap 'exit 2' INT
 
 tmpfile TMPASM .asm
 tmpfile TMPC   .c