Bash errors/warnings

[BaseMax]

source: https://github.com/SalamLang/Salam/actions/runs/12753297958/job/35544649360

2025-01-13 18:07:31 [INFO]   Linting BASH items...
  Error: -13 18:07:32 [ERROR]   Found errors when linting BASH. Exit code: 1.
  2025-01-13 18:07:32 [INFO]   Command output for BASH:
  ------
  
  In /github/workspace/build-linux.sh line 37:
  	if [ $? -ne 0 ]; then
               ^-- SC2181 (style): Check exit code directly with e.g. 'if ! mycmd;', not indirectly with $?.
  
  
  In /github/workspace/build-linux.sh line 45:
  gcc -o "$output" *.o
                   ^-- SC2035 (info): Use ./*glob* or -- *glob* so names with dashes won't become options.
  
  
  In /github/workspace/build-linux.sh line 46:
  if [ $? -ne 0 ]; then
       ^-- SC2181 (style): Check exit code directly with e.g. 'if ! mycmd;', not indirectly with $?.
  
  
  In /github/workspace/build-linux.sh line 57:
  if [ $? -ne 0 ]; then
       ^-- SC2[181](https://github.com/SalamLang/Salam/actions/runs/12753297958/job/35544649360#step:4:183) (style): Check exit code directly with e.g. 'if ! mycmd;', not indirectly with $?.
  
  
  In /github/workspace/build-webassembly.sh line 44:
  	DEBUG=1
          ^---^ SC2034 (warning): DEBUG appears unused. Verify use (or export if used externally).
  
  
  In /github/workspace/build-webassembly.sh line 54:
  	${MEMORY_FLAGS} \
          ^-------------^ SC2086 (info): Double quote to prevent globbing and word splitting.
  
  Did you mean: 
  	"${MEMORY_FLAGS}" \
  
  
  In /github/workspace/build-webassembly.sh line 55:
  	${RUNTIME_FLAGS} \
          ^--------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

[BDadmehr0]

#964