Rename files from cpp to cc

libsgp4/CMakeLists.txt

@@ -1,20 +1,20 @@
 set(SRCS
-    CoordGeodetic.cpp
-    CoordTopocentric.cpp
-    DateTime.cpp
-    DecayedException.cpp
-    Eci.cpp
-    Globals.cpp
-    Observer.cpp
-    OrbitalElements.cpp
-    SGP4.cpp
-    SatelliteException.cpp
-    SolarPosition.cpp
-    TimeSpan.cpp
-    Tle.cpp
-    TleException.cpp
-    Util.cpp
-    Vector.cpp)
+    CoordGeodetic.cc
+    CoordTopocentric.cc
+    DateTime.cc
+    DecayedException.cc
+    Eci.cc
+    Globals.cc
+    Observer.cc
+    OrbitalElements.cc
+    SGP4.cc
+    SatelliteException.cc
+    SolarPosition.cc
+    TimeSpan.cc
+    Tle.cc
+    TleException.cc
+    Util.cc
+    Vector.cc)
 
   set(INCS
      CoordGeodetic.h

passpredict/CMakeLists.txt

@@ -1,5 +1,5 @@
 set(SRCS
-    passpredict.cpp)
+    passpredict.cc)
 
 add_executable(passpredict
     ${SRCS})

runtest/CMakeLists.txt

@@ -1,5 +1,5 @@
 set(SRCS
-    runtest.cpp)
+    runtest.cc)
 
 add_executable(runtest
     ${SRCS})

sattrack/CMakeLists.txt

@@ -1,5 +1,5 @@
 set(SRCS
-    sattrack.cpp)
+    sattrack.cc)
 
 add_executable(sattrack
     ${SRCS})