Subject: [PATCH] match glibc posix_memalign exception spec

The fallback declaration (taken on non-x86 GCC) conflicts with glibc's
noexcept one. Rebased onto OCCT 8.0.1 from ::gentoo
opencascade-7.8.0-jemalloc-noexcept.

--- a/src/FoundationClasses/TKernel/Standard/Standard.cxx
+++ b/src/FoundationClasses/TKernel/Standard/Standard.cxx
@@ -29,7 +29,7 @@
        && (defined(__i386) || defined(__x86_64)))
   #include <mm_malloc.h>
 #else
-extern "C" int posix_memalign(void** thePtr, size_t theAlign, size_t theSize);
+extern "C" int posix_memalign(void** thePtr, size_t theAlign, size_t theSize) throw();
 #endif
 
 namespace