fixup: Cmake enable_lanuages version_less quoted versions

Author: ptheywood

cmake/enable_languages.cmake

@@ -129,7 +129,7 @@ macro(flamegpu_enable_languages)
 
             # Ensure that the found CUDA version is at least the minimum required by FLAMEGPU, otherwise raise an error.
             # Note: this is a breaking change to CMake behaviour (for docs-only builds), must set FLAMEGPU_GPU=OFF instead.
-            if (CMAKE_CUDA_COMPILER_VERSION VERSION_LESS ${MINIMUM_SUPPORTED_CUDA_VERSION})
+            if (CMAKE_CUDA_COMPILER_VERSION VERSION_LESS "${MINIMUM_SUPPORTED_CUDA_VERSION}")
                 message(FATAL_ERROR "CUDA ${MINIMUM_SUPPORTED_CUDA_VERSION} or greater is required for compilation with FLAMEGPU_GPU=${FLAMEGPU_GPU}")
             endif()
 
@@ -154,7 +154,7 @@ macro(flamegpu_enable_languages)
             find_package(hip REQUIRED CONFIG)
 
             # Ensure that the found HIP version is at least the minimum required by FLAMEGPU, otherwise raise an error.
-            if (${hip_VERSION} VERSION_LESS ${MINIMUM_SUPPORTED_HIP_VERSION})
+            if (${hip_VERSION} VERSION_LESS "${MINIMUM_SUPPORTED_HIP_VERSION}")
                 message(FATAL_ERROR "HIP ${MINIMUM_SUPPORTED_HIP_VERSION} or greater is required for compilation with FLAMEGPU_GPU=${FLAMEGPU_GPU} (found ${hip_VERSION})")
             endif()
         endif()