Change the SQLITE_FCNTL_PRAGMA file-control so that it can return a string
value.

FossilOrigin-Name: fd8d7440277b17f57a6dc0a210f42adf1fa2dcd2
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index 8165d05..cfe8fd6 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -2553,7 +2553,7 @@
 /*
 ** Internal function prototypes
 */
-int sqlite3StrICmp(const char *, const char *);
+#define sqlite3StrICmp sqlite3_stricmp
 int sqlite3Strlen30(const char*);
 #define sqlite3StrNICmp sqlite3_strnicmp