Moderate: poppler security and bug fix update (Oracle Linux 7)

[0.26.5-16]
- Fix crash in Splash
- Resolves: #1299492

[0.26.5-15]
- Check array length
- Resolves: #1299506

[0.26.5-14]
- Show correct glyph or none instead of 'fi'
- Resolves: #1298616

[0.26.5-13]
- Check for groupColorSpace existance
- Resolves: #1299479

[0.26.5-12]
- Move array reallocation from visitLine to startLine
- Resolves: #1299481

[0.26.5-11]
- Repair patch
- Resolves: #1299490

[0.26.5-10]
- Check for GfxSeparationColorSpace existance
- Resolves: #1299490

[0.26.5-9]
- Check for int overflow
- Resolves: #1299496

[0.26.5-8]
- Do not assert on broken document
- Resolves: #1299500

[0.26.5-7]
- Add missing patch
- Resolves: #1299503

[0.26.5-6]
- Fix segfault when creating PopplerAction
- Resolves: #1299503