Compiler-Options-Hardening-Guide-for-C-and-C++.md: fix minimum Clang version for -fno-strict-aliasing

See 10169b94cfe6838f881339f1944891f6d8451174 in LLVM. It's been supported
since at least llvm-2.9.0.

Closes: #662
Signed-off-by: Sam James <[email protected]>

Author: thesamesam

docs/Compiler-Hardening-Guides/Compiler-Options-Hardening-Guide-for-C-and-C++.md

@@ -209,7 +209,7 @@ Table 2: Recommended compiler options that enable run-time protection mechanisms
 | [`-fPIC -shared`](#-fPIC_-shared)                                                         | < Binutils 2.6.0<br/>Clang 5.0.0     | Build as position-independent code. Can impact performance on 32-bit architectures.                                                         |
 | [`-fno-delete-null-pointer-checks`](#-fno-delete-null-pointer-checks)                     | GCC 3.0.0<br/>Clang 7.0.0            | Force retention of null pointer checks                                                       |
 | [`-fno-strict-overflow`](#-fno-strict-overflow)                                           | GCC 4.2.0                            | Integer overflow may occur                                                                   |
-| [`-fno-strict-aliasing`](#-fno-strict-aliasing)                                           | GCC 2.95.3<br/>Clang 18.0.0        | Do not assume strict aliasing                                                                |
+| [`-fno-strict-aliasing`](#-fno-strict-aliasing)                                           | GCC 2.95.3<br/>Clang 2.9.0        | Do not assume strict aliasing                                                                |
 | [`-ftrivial-auto-var-init`](#-ftrivial-auto-var-init)                                     | GCC 12.0.0<br/>Clang 8.0.0               | Perform trivial auto variable initialization                                                 |
 | [`-fexceptions`](#-fexceptions)                                                           | GCC 2.95.3<br/>Clang 2.6.0           | Enable exception propagation to harden multi-threaded C code                                 |
 | [`-fhardened`](#-fhardened)                                                               | GCC 14.0.0                           | Enable pre-determined set of hardening options in GCC                                        |