Clean up curl openssl check

Only set HAVE_CURL_OPENSSL flag, and remove Windows specific code,
as all of this is only relevant for OpenSSL < 1.1, which is not
used on Windows.

Author: nikic

ext/curl/config.m4

@@ -23,8 +23,6 @@ if test "$PHP_CURL" != "no"; then
   esac
 
   if test "$CURL_SSL" = yes; then
-    AC_DEFINE([HAVE_CURL_SSL], [1], [Have cURL with  SSL support])
-
     save_CFLAGS="$CFLAGS"
     CFLAGS="$CFLAGS $CURL_CFLAGS"
     save_LDFLAGS="$LDFLAGS"

ext/curl/config.w32

@@ -28,7 +28,6 @@ if (PHP_CURL != "no") {
 		) {
 		EXTENSION("curl", "interface.c multi.c share.c curl_file.c");
 		AC_DEFINE('HAVE_CURL', 1, 'Have cURL library');
-		AC_DEFINE('HAVE_CURL_SSL', 1, 'Have SSL suppurt in cURL');
 		ADD_FLAG("CFLAGS_CURL", "/D CURL_STATICLIB");
 		// TODO: check for curl_version_info
 	} else {

ext/curl/interface.c

@@ -43,22 +43,17 @@
 #endif
 
 /* {{{ cruft for thread safe SSL crypto locks */
-#if defined(ZTS) && defined(HAVE_CURL_SSL)
-# ifdef PHP_WIN32
+#if defined(ZTS) && defined(HAVE_CURL_OPENSSL)
+# if defined(HAVE_OPENSSL_CRYPTO_H)
 #  define PHP_CURL_NEED_OPENSSL_TSL
 #  include <openssl/crypto.h>
-# elif defined(HAVE_CURL_OPENSSL)
-#  if defined(HAVE_OPENSSL_CRYPTO_H)
-#   define PHP_CURL_NEED_OPENSSL_TSL
-#   include <openssl/crypto.h>
-#  else
-#   warning \
+# else
+#  warning \
 	"libcurl was compiled with OpenSSL support, but configure could not find " \
 	"openssl/crypto.h; thus no SSL crypto locking callbacks will be set, which may " \
 	"cause random crashes on SSL requests"
-#  endif
-# endif /* HAVE_CURL_OPENSSL */
-#endif /* ZTS && HAVE_CURL_SSL */
+# endif
+#endif /* ZTS && HAVE_CURL_OPENSSL */
 /* }}} */
 
 #define SMART_STR_PREALLOC 4096