Minor improvement in AVL initial size calculation

src/obiavl.c

@@ -408,7 +408,13 @@ size_t get_avl_header_size()
 
 size_t get_initial_avl_size()
 {
-	return getpagesize() * 1;
+	size_t s;
+	size_t m;
+
+	m = 1;
+	s = getpagesize() * m;
+
+	return s;
 }
 
 
@@ -430,7 +436,13 @@ size_t get_avl_data_header_size()
 
 size_t get_initial_avl_data_size()
 {
-	return getpagesize() * 1;
+	size_t s;
+	size_t m;
+
+	m = 1;
+	s = getpagesize() * m;
+
+	return s;
 }
 
 
@@ -1446,7 +1458,7 @@ index_t obi_avl_add(OBIDMS_avl_p avl, byte_t* value)
 	index_t node_idx;
 	byte_t* to_compare;
 	int comp;
-	uint8_t n = 0;
+	int n = 0;
 	int depth = 0;
 
 	// Check if first node