php: fix crypt() on musl (close #4039).

srcpkgs/php/patches/php-705-crypt.patch

@@ -0,0 +1,20 @@
+--- ext/standard/crypt.c.orig	2016-03-29 16:44:22.000000000 +0200
++++ ext/standard/crypt.c	2016-04-12 18:15:09.987505656 +0200
+@@ -270,6 +270,17 @@
+ 			return result;
+ 		}
+ 	}
++# elif defined(HAVE_CRYPT)
++       crypt_res = crypt(password, salt);
++       if (!crypt_res || (salt[0] == '*' && salt[1] == '0')) {
++               return NULL;
++       } else {
++               result = zend_string_init(crypt_res, strlen(crypt_res), 0);
++               return result;
++       }
++
++# else
++#  error No crypt() implementation
+ # endif
+ #endif
+ }

srcpkgs/php/template

@@ -1,7 +1,7 @@
 # Template build file for 'php'
 pkgname=php
 version=7.0.5
-revision=3
+revision=4
 short_desc="An HTML-embedded scripting language"
 maintainer="Steve Prybylski <sa.prybylx@gmail.com>"
 license="PHP"