Fix formatting: remove trailing spaces, #endif with comments (> 10 lines)
diff --git a/library/debug.c b/library/debug.c
index b768e64..92559c2 100644
--- a/library/debug.c
+++ b/library/debug.c
@@ -348,4 +348,4 @@
 }
 #endif /* POLARSSL_X509_CRT_PARSE_C */
 
-#endif
+#endif /* POLARSSL_DEBUG_C */