D15320: Fix remaining warnings in fpackutil.c

[Thomas Stibor]

tstibor created this revision.
tstibor added a reviewer: mutlaqja.
Herald added a project: KDE Edu.
Herald added a subscriber: kde-edu.
tstibor requested review of this revision.

REVISION SUMMARY
  Fix warnings:
  
  /home/tstibor/dev/astronomy/kstars/kstars/fitsviewer/fpackutil.c:789:7: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
  
    (void)fgets(answer, 29, stdin);
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  
  /home/tstibor/dev/astronomy/kstars/kstars/fitsviewer/fpackutil.c:829:7: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
  
    fgets(answer, 29, stdin);
    ^~~~~~~~~~~~~~~~~~~~~~~~
  
  /home/tstibor/dev/astronomy/kstars/kstars/fitsviewer/fpackutil.c:874:17: warning: ignoring return value of ‘system’, declared with attribute warn_unused_result [-Wunused-result]
  
    system(temp);
    ^~~~~~~~~~~~
  
  /home/tstibor/dev/astronomy/kstars/kstars/fitsviewer/fpackutil.c: In function ‘fp_test’:
  /home/tstibor/dev/astronomy/kstars/kstars/fitsviewer/fpackutil.c:1260:77: warning: ‘bpix’ may be used uninitialized in this function [-Wmaybe-uninitialized]
  
    imagestats.noise2, imagestats.noise3, imagestats.noise5, xbits, bpix/xbits);
                                                                    ~~~~^~~~~~

REPOSITORY
  R321 KStars

REVISION DETAIL
  https://phabricator.kde.org/D15320

AFFECTED FILES
  kstars/fitsviewer/fpackutil.c

To: tstibor, mutlaqja
Cc: kde-edu, narvaez, apol
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