Fixed a bug in imphttab/getphttab.c InterpretPhotmode where it would attempt to free memory that had not necessarily been allocated.
Fixed a bug in imphttab/getphttab.c InterpretPhotmode where it would attempt to free memory that had not necessarily been allocated.

git-svn-id: cc674101e2b794ddc2100b657215d55256e3fd48@12810 fe389314-cf27-0410-b35b-8c050e845b92

jhunkeler/hstcal,jhunkeler/hstcal,jhunkeler/hstcal