Update the peak coordinates when doing --closer-peak

This should make it much more obvious (via check-near-bragg) when the peak positions are wrong.

libcrystfel/src/peaks.c

@@ -636,9 +636,15 @@ void integrate_reflections(struct image *image, int use_closer, int bgsub,
 			/* FIXME: Horrible hardcoded value */
 			if ( (f != NULL) && (d < 10.0) ) {
 
+				double exe;
+
+				exe = get_excitation_error(refl);
+
 				pfs = f->fs;
 				pss = f->ss;
 
+				set_detector_pos(refl, exe, pfs, pss);
+
 			}
 
 		}