fixed verific check error

[sfmth]

I was getting this error:

$ ./build_openroad.sh
[INFO FLW-0028] Compiling with 32 threads.                                                                                                                                                                                                                    
[INFO FLW-0027] Saving logs to build_openroad.log                                                                                                                                                                                                             
[INFO FLW-0028] ./build_openroad.sh                                                                                                                                                                                                                           
[INFO FLW-0002] Updating git submodules.                                                                                                                                                                                                                      
[INFO FLW-0000] Using docker build method.                                                                                                                                                                                                                    
[INFO FLW-0020] Building docker image for OpenROAD Flow.                                                                                                                                                                                                      
cp: cannot stat '': No such file or directory

The script was checking for WITH_VERIFIC as not a numeral value, while it is one. and it's working now.

[gemini-code-assist]

Code Review

This pull request updates the conditional check for the WITH_VERIFIC variable in build_openroad.sh to use an integer comparison. The reviewer recommends using [[...]] with string comparison and proper variable quoting to improve robustness and maintain consistency with other conditional checks in the script.

[gemini-code-assist]

For improved robustness, it's recommended to use [[...]] for tests, quote variables, and use string comparison for flags. This prevents potential issues like word splitting or errors if the variable is not a valid integer. Using [[...]] is also more consistent with other conditional checks in this script (e.g., on line 194).

Suggested change

	if [ ${WITH_VERIFIC} -eq 1 ]; then
	if [[ "${WITH_VERIFIC}" == "1" ]]; then