xtsscale - use abs() for integers

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xtsscale - use abs() for integers

Matthieu Herrb-3
Noticed by clang warning.

ok ?

Index: xtsscale.c
===================================================================
RCS file: /cvs/OpenBSD/xenocara/app/xtsscale/xtsscale.c,v
retrieving revision 1.23
diff -u -r1.23 xtsscale.c
--- xtsscale.c 6 Mar 2012 23:24:37 -0000 1.23
+++ xtsscale.c 10 Feb 2019 15:53:44 -0000
@@ -732,7 +732,7 @@
  cleanup_exit(device);
 
  /* Check if  X and Y should be swapped */
- if (fabs(x[0] - x[1]) > fabs(y[0] - y[1])) {
+ if (abs(x[0] - x[1]) > abs(y[0] - y[1])) {
 
  calib.swapxy = 1;
 

--
Matthieu Herrb