diff --git a/3rdparty/flic/flic.h b/3rdparty/flic/flic.h
index 6d8495f4..42969e5c 100644
--- a/3rdparty/flic/flic.h
+++ b/3rdparty/flic/flic.h
@@ -33,4 +33,4 @@ typedef struct {
   BYTE  reserved3[40]; /* Set to zero */
 } FLIC_HEADER;
 
-#endif FLIC_H // FLIC_H
\ No newline at end of file
+#endif // FLIC_H
diff --git a/3rdparty/smack/RAD.H b/3rdparty/smack/rad.h
similarity index 99%
rename from 3rdparty/smack/RAD.H
rename to 3rdparty/smack/rad.h
index f041dc1c..610bd794 100644
--- a/3rdparty/smack/RAD.H
+++ b/3rdparty/smack/rad.h
@@ -82,7 +82,7 @@
 #endif
 
 #if !defined(__RADDOS__) && !defined(__RADWIN__) && !defined(__RADMAC__)
-  #error RAD.H didn'y detect your platform.  Define __DOS__, __WINDOWS__, WIN32, macintosh, or powerc.
+  #error "RAD.H didn'y detect your platform.  Define __DOS__, __WINDOWS__, WIN32, macintosh, or powerc."
 #endif
 
 #ifdef __RADMAC__
diff --git a/3rdparty/smack/SMACK.H b/3rdparty/smack/smack.h
similarity index 100%
rename from 3rdparty/smack/SMACK.H
rename to 3rdparty/smack/smack.h
diff --git a/3rdparty/smack/SMACK.LIB b/3rdparty/smack/smack.lib
similarity index 100%
rename from 3rdparty/smack/SMACK.LIB
rename to 3rdparty/smack/smack.lib