w32: Fix lock c++ narrowing conversion warning

* src/syscfg/lock-obj-pub.mingw32.h (gpgrt_lock_t): Declare priv as
unsigned char.

--
This fixes error: narrowing conversion of ‘255’ from ‘int’ to
‘volatile char’ inside { } [-Werror=narrowing]

1 files changed, 2 insertions, 2 deletions

diff --git a/src/syscfg/lock-obj-pub.mingw32.h b/src/syscfg/lock-obj-pub.mingw32.h
index d6623cc..f35aee1 100644
--- a/src/syscfg/lock-obj-pub.mingw32.h
+++ b/src/syscfg/lock-obj-pub.mingw32.h
@@ -20,7 +20,7 @@
 #pragma pack(push, 8)
 typedef struct
 {
-  volatile char priv[56];
+  volatile unsigned char priv[56];
 } gpgrt_lock_t;
 #pragma pack(pop)
 
@@ -34,7 +34,7 @@ typedef struct
 #pragma pack(push, 8)
 typedef struct
 {
-  volatile char priv[36];
+  volatile unsigned char priv[36];
 } gpgrt_lock_t;
 #pragma pack(pop)