Change to clang++-18

Author: broughjt

infra/platforms/platforms/vdt.py

@@ -15,7 +15,7 @@
 
 # C lang
 target_lang = 'c'
-compiler = 'clang-18++'
+compiler = 'clang++-18'
 c_flags = ['-O3','-ffp-contract=off']
 ld_flags = ['-lm']
 driver_name = 'main.cpp'