Fix skipifs

tests/run-test/bug75042-2.phpt

@@ -2,10 +2,7 @@
 phpt EXTENSIONS directive with static module
 --SKIPIF--
 <?php
-if(empty($_ENV['TEST_PHP_EXECUTABLE'])) {
-	die('skip TEST_PHP_EXECUTABLE not set');
-}
-$php = $_ENV['TEST_PHP_EXECUTABLE'];
+$php = getenv('TEST_PHP_EXECUTABLE');
 if (false === stripos(`$php -n -m`, 'spl')) {
 	die('skip spl is NOT built static');
 }
@@ -15,4 +12,4 @@ SPL
 <?php
 var_dump(extension_loaded('spl'));
 --EXPECT--
-bool(true)
+bool(true)

tests/run-test/bug75042.phpt

@@ -2,10 +2,7 @@
 phpt EXTENSIONS directive with shared module
 --SKIPIF--
 <?php
-if(empty($_ENV['TEST_PHP_EXECUTABLE'])) {
-	die('skip TEST_PHP_EXECUTABLE not set');
-}
-$php = $_ENV['TEST_PHP_EXECUTABLE'];
+$php = getenv('TEST_PHP_EXECUTABLE');
 if (false !== stripos(`$php -n -m`, 'openssl')) {
 	die('skip openssl is built static');
 }
@@ -17,4 +14,4 @@ openssl
 <?php
 var_dump(extension_loaded('openssl'));
 --EXPECT--
-bool(true)
+bool(true)