[BUGFIX] Use proper quotation in phpdoc of ExtensionManagementUtility::addService()

The patch fixes the quotation in the description of the parameters
``$serviceType`` and ``$serviceKey``.
This ensures a correct rendering by Doxygen.

Resolves: #75283
Releases: master, 7.6, 6.2
Change-Id: Ic7d91c1c108465b50f7637667ff6f3a8b451eb26
Reviewed-on: https://review.typo3.org/47401


Reviewed-by: Morton Jonuschat <m.jonuschat@mojocode.de>
Tested-by: Morton Jonuschat <m.jonuschat@mojocode.de>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>

typo3/sysext/core/Classes/Utility/ExtensionManagementUtility.php

@@ -1095,8 +1095,8 @@ class ExtensionManagementUtility {
 	 * Adds a service to the global services array
 	 *
 	 * @param string $extKey Extension key
-	 * @param string $serviceType Service type, must not be prefixed "tx_" or "Tx_
-	 * @param string $serviceKey Service key, must be prefixed "tx_", "Tx_" or "user_
+	 * @param string $serviceType Service type, must not be prefixed "tx_" or "Tx_"
+	 * @param string $serviceKey Service key, must be prefixed "tx_", "Tx_" or "user_"
 	 * @param array $info Service description array
 	 * @return void
 	 */
@@ -2006,4 +2006,4 @@ tt_content.' . $key . $prefix . ' {
 			);
 		}
 	}
-}
+}
\ No newline at end of file