xzdec: Fix warnings from -Wsign-conversion.

diff --git a/src/xzdec/xzdec.c b/src/xzdec/xzdec.c
index 5cb7530afce4dfe3a7d27c685ec6661601da7b71..c1bd19986424c296664e13df5f8c56f8d73ed11d 100644 (file)
--- a/src/xzdec/xzdec.c
+++ b/src/xzdec/xzdec.c
@@ -37,7 +37,7 @@
 
 /// Error messages are suppressed if this is zero, which is the case when
 /// --quiet has been given at least twice.
-static unsigned int display_errors = 2;
+static int display_errors = 2;
 
 
 static void lzma_attribute((__format__(__printf__, 1, 2)))