[gcc r13-3153] libdecnumber: remove unused variable

[gcc r13-3153] libdecnumber: remove unused variable

[Martin Liska]

https://gcc.gnu.org/g:8a79685989bff33f479d0ac2df0e18d55d3ba78b

commit r13-3153-g8a79685989bff33f479d0ac2df0e18d55d3ba78b
Author: Martin Liska <mliska@suse.cz>
Date:   Fri Oct 7 10:34:39 2022 +0200

    libdecnumber: remove unused variable
    
    Fixes:
    libdecnumber/dpd/decimal64.c:617:8: warning: variable 'n' set but not used [-Wunused-but-set-variable]
    
    libdecnumber/ChangeLog:
    
            * dpd/decimal64.c (decDigitsToDPD): Remove unused variable.

Diff:
---
 libdecnumber/dpd/decimal64.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/libdecnumber/dpd/decimal64.c b/libdecnumber/dpd/decimal64.c
index 269eaecade5..f72c5730ac3 100644
--- a/libdecnumber/dpd/decimal64.c
+++ b/libdecnumber/dpd/decimal64.c
@@ -614,7 +614,6 @@ static const uInt multies[]={131073, 26215, 5243, 1049, 210};
 #endif
 void decDigitsToDPD(const decNumber *dn, uInt *targ, Int shift) {
   Int  cut;		      /* work */
-  Int  n;		      /* output bunch counter */
   Int  digits=dn->digits;     /* digit countdown */
   uInt dpd;		      /* densely packed decimal value */
   uInt bin;		      /* binary value 0-999 */
@@ -673,7 +672,7 @@ void decDigitsToDPD(const decNumber *dn, uInt *targ, Int shift) {
     bin=0;			   /* [keep compiler quiet] */
   #endif
 
-  for(n=0; digits>0; n++) {	   /* each output bunch */
+  for(; digits>0;) {		   /* each output bunch */
     #if DECDPUN==3		   /* fast path, 3-at-a-time */
       bin=*inu; 		   /* 3 digits ready for convert */
       digits-=3;		   /* [may go negative] */