Address Sanitizer issue for hs_monitors_tests.c

[avan989]

Checklist (Please check before submitting)

• I reviewed the Contributing Guide.
• I performed a cursory search to see if the bug report is relevant, not redundant, nor in conflict with other tickets.

Describe the bug
A clear and concise description of what the bug is.

Running with address sanitizer trigger an runtime error:

/home/vboxuser/Desktop/cFS/apps/hs/fsw/src/hs_monitors.c:419:38: runtime error: index 64 out of bounds for type 'uint32 [64]'

To Reproduce
Steps to reproduce the behavior:
add_compile_options(
-fsanitize=address
-fsanitize=undefined
-fsanitize-recover=all
-g
)
add_link_options(
-fsanitize=address
-fsanitize=undefined
-fsanitize-recover=all
)

Make SIMULATION=native ENABLE_UNIT_TESTS=true prep

make install

Run Test

Expected behavior
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Code snips
If applicable, add references to the software.

System observed on:

• Hardware
• OS: [e.g. Linux 4.4]
• Versions [e.g. cFE 6.6, OSAL 4.2, PSP 1.3 for mcp750, any related apps]

Additional context
Add any other context about the problem here.

Reporter Info
Full name and company/organization if applicable
Anh Van, GSFC