Fixed Fortran preprocessor flag for NAG Fortran compiler

[ACSimon33]

Description

The preprocessor flag for NAG Fortran is -fpp instead of -cpp. Also fixed indentation of the rest of the foreach loop.

Checklist

• [n/a] The documentation has been updated.
• [n/a] If the PR solves a specific issue, it is set to be closed on merge.

[codecov]

Codecov Report

Attention: 1014 lines in your changes are missing coverage. Please review.

Comparison is base (2983298) 0.00% compared to head (40f6b20) 0.00%.
Report is 177 commits behind head on master.

❗ Current head 40f6b20 differs from pull request most recent head b29d751. Consider uploading reports for the commit b29d751 to get more accurate results

Files	Patch %	Lines
SRC/cgeqp3rk.f	0.00%	134 Missing ⚠️
SRC/dgeqp3rk.f	0.00%	133 Missing ⚠️
SRC/claqp3rk.f	0.00%	114 Missing ⚠️
SRC/dlaqp3rk.f	0.00%	105 Missing ⚠️
SRC/claqp2rk.f	0.00%	81 Missing ⚠️
SRC/dlaqp2rk.f	0.00%	76 Missing ⚠️
SRC/cgecon.f	0.00%	15 Missing ⚠️
SRC/dgecon.f	0.00%	15 Missing ⚠️
SRC/sgecon.f	0.00%	15 Missing ⚠️
SRC/cunbdb5.f	0.00%	14 Missing ⚠️
... and 131 more

Additional details and impacted files

@@            Coverage Diff            @@
##           master     #939     +/-   ##
=========================================
  Coverage    0.00%    0.00%             
=========================================
  Files        1918     1930     +12     
  Lines      188614   190055   +1441     
=========================================
- Misses     188614   190055   +1441     

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