build: fix build error

jme3-core/build.gradle

@@ -35,15 +35,16 @@ task updateVersionPropertiesFile << {
     def verfile = file('src/main/resources/com/jme3/system/version.properties')
     verfile.text = "# THIS IS AN AUTO-GENERATED FILE..\n" +
                    "# DO NOT MODIFY!\n" + 
-                   "build.date=${releaseInfo.buildDate}\n" +
-                   "git.revision=${releaseInfo.revision}\n" +
-                   "git.branch=${releaseInfo.branch}\n" +
-                   "git.hash=${releaseInfo.hash}\n" +
-                   "git.hash.short=${releaseInfo.shortHash}\n" +
-                   "git.tag=${releaseInfo.tag}\n" +
-                   "name.full=jMonkeyEngine ${releaseInfo.fullVersion}\n" +
-                   "version.full=${releaseInfo.fullVersion}\n" +
-                   "version.number=${releaseInfo.version}\n"
+                   "build.date=${jmeBuildDate}\n" +
+                   "git.revision=${jmeRevision}\n" +
+                   "git.branch=${jmeBranchName}\n" + 
+                   "git.hash=${jmeGitHash}\n" + 
+                   "git.hash.short=${jmeShortGitHash}\n" + 
+                   "git.tag=${jmeGitTag}\n" + 
+                   "name.full=jMonkeyEngine ${jmeFullVersion}\n" +
+                   "version.full=${jmeFullVersion}\n" +
+                   "version.number=${jmeVersion}\n" + 
+                   "version.tag=${jmeVersionTag}"
 }
 
 compileJava.dependsOn(updateVersionPropertiesFile)