cmake: make formatting of install statements follow one pattern

Change-Id: Ib7d571af629b0af78397a411b0cca409a6d218d8
diff --git a/python/receiver/CMakeLists.txt b/python/receiver/CMakeLists.txt
index 8ab902b..a7a9e3e 100644
--- a/python/receiver/CMakeLists.txt
+++ b/python/receiver/CMakeLists.txt
@@ -23,5 +23,6 @@
     fcch_burst_tagger.py
     sch_detector.py
     fcch_detector.py
-    chirpz.py DESTINATION ${GR_PYTHON_DIR}/grgsm
+    chirpz.py
+    DESTINATION ${GR_PYTHON_DIR}/grgsm
 )