added relative paths to pom in mutex/semaphore

Author: gwildor28

mutex/pom.xml

@@ -30,6 +30,7 @@
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
     <version>1.11.0-SNAPSHOT</version>
+	<relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>mutex</artifactId>
   <dependencies>

semaphore/pom.xml

@@ -30,6 +30,7 @@
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
     <version>1.11.0-SNAPSHOT</version>
+	<relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>semaphore</artifactId>
   <dependencies>