Update patch to resolve cover incompatibility

Author: zanieb

cpython-unix/build-zstd.sh

@@ -54,6 +54,22 @@ index 5e6e8bc..6ca72a1 100644
      qsort_r(ctx->suffix, ctx->suffixSize, sizeof(U32),
              (ctx->d <= 8 ? &COVER_strict_cmp8 : &COVER_strict_cmp),
              ctx);
+@@ -290,7 +290,7 @@ static void COVER_storeOffsets(COVER_ctx_t *ctx, size_t dstCapacity) {
+ #if (defined(_WIN32) && defined(_MSC_VER)) || defined(__APPLE__)
+ static int WIN_CDECL COVER_strict_cmp(void* g_coverCtx, const void* lp, const void* rp) {
+-#elif defined(_GNU_SOURCE)
++#elif defined(_GNU_SOURCE) && defined(__GLIBC__)
+ static int COVER_strict_cmp(const void *lp, const void *rp, void *g_coverCtx) {
+ #else /* C90 fallback.*/
+ static int COVER_strict_cmp(const void *lp, const void *rp) {
+@@ -306,7 +306,7 @@ static int COVER_strict_cmp(const void *lp, const void *rp) {
+ #if (defined(_WIN32) && defined(_MSC_VER)) || defined(__APPLE__)
+ static int WIN_CDECL COVER_strict_cmp8(void* g_coverCtx, const void* lp, const void* rp) {
+-#elif defined(_GNU_SOURCE)
++#elif defined(_GNU_SOURCE) && defined(__GLIBC__)
+ static int COVER_strict_cmp8(const void *lp, const void *rp, void *g_coverCtx) {
+ #else /* C90 fallback.*/
+ static int COVER_strict_cmp8(const void *lp, const void *rp) {
 EOF
 fi