--- lib_mysqludf_stat.c.orig	2011-10-19 04:30:24.000000000 +0200
+++ lib_mysqludf_stat.c	2011-10-19 04:31:21.000000000 +0200
@@ -550,7 +550,7 @@
 ,	char *error
 ){
 	PEARSON* pearson_struct = (PEARSON *)initid->ptr;
-	double result; 
+	double result=0.0; 
 	if (pearson_struct->n==0){
 		*is_null = 1;
 	} else if (
@@ -700,7 +700,7 @@
 	POINT_BISERIAL_GROUP* X0;
 	POINT_BISERIAL_GROUP* X1;
 	double s;
-	double result;
+	double result=0.0;
 
 	point_biserial_struct = (POINT_BISERIAL *)initid->ptr;
 	X  = &point_biserial_struct->X;