Don't hardcode zlib paths in patch details

Author: agriyakhetarpal

.github/workflows/ci-emscripten.yaml

@@ -59,7 +59,7 @@ jobs:
       - name: Apply necessary patch(es)
         run: |
           patch -p1 < tools/ci/patches/0001-disable-multiprocessing-and-pthreads.patch
-          patch -p1 < tools/ci/patches/0002-add-missing-unistd-headers.patch
+          patch -p1 < tools/ci/patches/0002-add-missing-unistd-headers.patch -d c-blosc/internal-complibs/zlib-*/
 
       - name: Install pyodide-build
         run: python -m pip install pyodide-build

tools/ci/patches/0002-add-missing-unistd-headers.patch

@@ -4,11 +4,13 @@ Pyodide repository at the following link;
 
 https://github.com/pyodide/pyodide/blob/d32e376013d8977b66c6aa828042b1fee8047aea/packages/numcodecs/patches/fixzlib.patch
 
+This patch is applied in the c-blosc/internal-complibs/zlib-<ZLIB_VERSION>/ directory
+in the .github/workflows/ci-emscripten.yaml workflow file.
 
-diff --git a/c-blosc/internal-complibs/zlib-1.2.13/gzlib.c b/c-blosc/internal-complibs/zlib-1.2.13/gzlib.c
+diff --git a/gzlib.c b/gzlib.c
 index fae202e..80606a6 100644
---- a/c-blosc/internal-complibs/zlib-1.2.13/gzlib.c
-+++ b/c-blosc/internal-complibs/zlib-1.2.13/gzlib.c
+--- a/gzlib.c
++++ b/gzlib.c
 @@ -2,7 +2,7 @@
   * Copyright (C) 2004, 2010, 2011, 2012, 2013 Mark Adler
   * For conditions of distribution and use, see copyright notice in zlib.h
@@ -19,10 +21,10 @@ index fae202e..80606a6 100644
 
  #if defined(_WIN32) && !defined(__BORLANDC__)
 
-diff --git a/c-blosc/internal-complibs/zlib-1.2.13/gzread.c b/c-blosc/internal-complibs/zlib-1.2.13/gzread.c
+diff --git a/gzread.c b/gzread.c
 index bf4538e..afe6acd 100644
---- a/c-blosc/internal-complibs/zlib-1.2.13/gzread.c
-+++ b/c-blosc/internal-complibs/zlib-1.2.13/gzread.c
+--- a/gzread.c
++++ b/gzread.c
 @@ -2,7 +2,7 @@
   * Copyright (C) 2004, 2005, 2010, 2011, 2012, 2013 Mark Adler
   * For conditions of distribution and use, see copyright notice in zlib.h
@@ -34,10 +36,10 @@ index bf4538e..afe6acd 100644
  /* Local functions */
 
 
-diff --git a/c-blosc/internal-complibs/zlib-1.2.13/gzwrite.c b/c-blosc/internal-complibs/zlib-1.2.13/gzwrite.c
+diff --git a/gzwrite.c b/gzwrite.c
 index aa767fb..a87676f 100644
---- a/c-blosc/internal-complibs/zlib-1.2.13/gzwrite.c
-+++ b/c-blosc/internal-complibs/zlib-1.2.13/gzwrite.c
+--- a/gzwrite.c
++++ b/gzwrite.c
 @@ -2,7 +2,7 @@
   * Copyright (C) 2004, 2005, 2010, 2011, 2012, 2013 Mark Adler
   * For conditions of distribution and use, see copyright notice in zlib.h