streamline build scripts
diff --git a/releng.control/cleanupArtifacts.sh b/releng.control/cleanupArtifacts.sh
index 3602403..495977f 100644
--- a/releng.control/cleanupArtifacts.sh
+++ b/releng.control/cleanupArtifacts.sh
@@ -1,24 +1,24 @@
 #!/bin/sh
 
 
-# remember to leave no slashes on filename in source command, 
+# remember to leave no slashes on filename in source command,
 # (the commonVariations.shsource file, that is)
 # so that users path is used to find it (first)
-if [ -n $BUILD_INITIALIZED ] 
+if [ -n $BUILD_INITIALIZED ]
 then
-   source commonVariations.shsource 
-   source ${BUILD_HOME}/releng.control/commonComputedVariables.shsource  
+   source commonVariations.shsource
+   source ${BUILD_HOME}/releng.control/commonComputedVariables.shsource
 fi
 
 # remove artifacts over n days old
-# (where hours = 24 + (n * 24), basically, so that 
+# (where hours = 24 + (n * 24), basically, so that
 # even n=0 means "1 day")
 
-# set at 10 days, under assumption that before that time, 
+# set at 10 days, under assumption that before that time,
 # artifacts will be "saved" elsewhere, if needed.
-# if more cleanup is needed, we should take time, and 
+# if more cleanup is needed, we should take time, and
 # existence of more recent builds into account, so we never
-# delete the last existing build (even if "old"). 
+# delete the last existing build (even if "old").
 
 n=10;
 artifactsDir=${BUILD_HOME}/artifacts;