Show symbol name with indeterminate array size warning

[spacemud]

What this PR does / why we need it:

• Fixes the below issue

Which issue(s) this PR fixes:

Fixes #338

What kind of pull this is:

• A Bug Fix
• A New Feature
• Some repository meta (documentation, etc)
• Other

Additional Documentation:

[YashasSamaga]

The CI is failing because a test suit used previously was written to work around this bug. You'll have to update md_array_size_chk_gh_314 test.

Expected errors:
md_array_size_chk_gh_314.pwn(1) : error 009: invalid array size (negative, zero or out of bounds)
md_array_size_chk_gh_314.pwn(2) : error 009: invalid array size (negative, zero or out of bounds)
md_array_size_chk_gh_314.pwn(3) : error 009: invalid array size (negative, zero or out of bounds)
md_array_size_chk_gh_314.pwn(5) : error 009: invalid array size (negative, zero or out of bounds)
md_array_size_chk_gh_314.pwn(30) : warning 224: indeterminate array size in "sizeof" expression (symbol "")

Actual errors:
md_array_size_chk_gh_314.pwn(1) : error 009: invalid array size (negative, zero or out of bounds)
md_array_size_chk_gh_314.pwn(2) : error 009: invalid array size (negative, zero or out of bounds)
md_array_size_chk_gh_314.pwn(3) : error 009: invalid array size (negative, zero or out of bounds)
md_array_size_chk_gh_314.pwn(5) : error 009: invalid array size (negative, zero or out of bounds)
md_array_size_chk_gh_314.pwn(30) : warning 224: indeterminate array size in "sizeof" expression (symbol "arr1")