Bugfix T41240: Home key doesn't show everything on F-Curves

Own copy and paste typo in 73d157e meant that this was not in some cases,
the bounds calculated may be incorrect.

source/blender/blenkernel/intern/fcurve.c

@@ -542,7 +542,7 @@ bool calc_fcurve_bounds(FCurve *fcu, float *xmin, float *xmax, float *ymin, floa
 							/* right handle - only if applicable */
 							if (bezt->ipo == BEZT_IPO_BEZ) {
 								yminv = min_ff(yminv, bezt->vec[2][1]);
-								ymaxv = min_ff(ymaxv, bezt->vec[2][1]);
+								ymaxv = max_ff(ymaxv, bezt->vec[2][1]);
 							}
 						}