remove -Wno-stringop-overflow option from clang

Author: Firestar99

spirv-tools-sys/build.rs

@@ -124,7 +124,6 @@ fn main() {
             .flag("-Wextra")
             .flag("-Wnon-virtual-dtor")
             .flag("-Wno-missing-field-initializers")
-            .flag("-Wno-stringop-overflow")
             .flag("-Wno-array-bounds")
             .flag("-std=c++17")
             .flag("-fno-exceptions")