Fix compiler warnings in sqldiff.
FossilOrigin-Name: 5f48d6f6c0a573ecc5bd42cb6c019288e22d295f
diff --git a/tool/sqldiff.c b/tool/sqldiff.c
index ad19b8c..ac64ecf 100644
--- a/tool/sqldiff.c
+++ b/tool/sqldiff.c
@@ -497,7 +497,7 @@
char **az2 = 0; /* Columns in aux */
int nPk; /* Primary key columns in main */
int nPk2; /* Primary key columns in aux */
- int n; /* Number of columns in main */
+ int n = 0; /* Number of columns in main */
int n2; /* Number of columns in aux */
int nQ; /* Number of output columns in the diff query */
int i; /* Loop counter */
@@ -734,7 +734,7 @@
char **az2 = 0; /* Columns in aux */
int nPk; /* Primary key columns in main */
int nPk2; /* Primary key columns in aux */
- int n; /* Number of columns in main */
+ int n = 0; /* Number of columns in main */
int n2; /* Number of columns in aux */
int i; /* Loop counter */
const char *zSep; /* Separator string */