Fixed first-time packaging issue in build script

build_logic/packaging/deb/script.gradle

@@ -15,7 +15,7 @@ task packageDeb_configure() {
 	preparePackaging.mustRunAfter packageDeb_configure
 
 	doLast {
-		tasks.preparePackaging.ext.buildDest = '/usr/share/progressia'
+		tasks.preparePackaging.ext.buildDest = 'usr/share/progressia'
 		tasks.preparePackaging.ext.mode = 'copy'
 	}
 }
@@ -31,6 +31,10 @@ task packageDeb(type: Exec) {
 	
 	dependsOn packageDeb_processResources
 	
+	doFirst {
+		mkdir 'build/packages'
+	}
+	
 	executable 'dpkg-deb'
 	args '--root-owner-group'
 	args '--build', 'build/tmp/packaging/workingDir'

build_logic/packaging/nsis/script.gradle

@@ -40,6 +40,10 @@ task packageNsis(type: Exec) {
 	dependsOn packageNsis_generateIcon
 	dependsOn packageNsis_generateLeftSide
 	
+	doFirst {
+		mkdir 'build/packages'
+	}
+	
 	executable 'makensis'
 	args '-NOCONFIG'
 	args "-DPROJECT_NAME=${project.name}"

build_logic/packaging/zip/script.gradle

@@ -36,6 +36,10 @@ task packageZip(type: Zip) {
 		archiveVersion = project.version
 	}
 	
+	doFirst {
+		mkdir 'build/packages'
+	}
+	
 	from 'build/tmp/packaging/workingDir'
 	destinationDirectory = file('build/packages')
 }