gmp and libsodium for ldap if enabled

only enable openssl when zlib ext is also enabled (missing 'deflate' otherwise)
move back from source/php-src/ext/ldap to source/ldap (fix "LICENSE not found")

config/ext.json

@@ -158,10 +158,14 @@
             "ldap"
         ],
         "lib-suggests": [
-            "openssl"
+            "openssl",
+            "zlib",
+            "gmp",
+            "libsodium"
         ],
         "ext-suggests": [
-            "openssl"
+            "openssl",
+            "zlib"
         ]
     },
     "mbregex": {

config/source.json

@@ -46,7 +46,6 @@
         "type": "filelist",
         "url": "https://www.openldap.org/software/download/OpenLDAP/openldap-release/",
         "regex": "/href=\"(?<file>openldap-(?<version>[^\"]+)\\.tgz)\"/",
-        "path": "php-src/ext/ldap",
         "license": {
             "type": "file",
             "path": "LICENSE"