libkmod-index: move comment to include the includes
diff --git a/libkmod/libkmod-index.c b/libkmod/libkmod-index.c
index cc9a417..54643c0 100644
--- a/libkmod/libkmod-index.c
+++ b/libkmod/libkmod-index.c
@@ -599,17 +599,17 @@
 	return out;
 }
 
+/**************************************************************************/
+/*
+ * Alternative implementation, using mmap to map all the file to memory when
+ * starting
+ */
 #include <sys/mman.h>
 #include <sys/stat.h>
 #include <unistd.h>
 
 static const char _idx_empty_str[] = "";
 
-/**************************************************************************/
-/*
- * Alternative implementation, using mmap to map all the file to memory when
- * starting
- */
 struct index_mm {
 	struct kmod_ctx *ctx;
 	void *mm;