liblzma: SHA-256: Remove the GCC #pragma that became unneeded.
The unrolling in the previous commit should avoid the
situation where a compiler may think that an uninitialized
variable might be accessed.
diff --git a/src/liblzma/check/sha256.c b/src/liblzma/check/sha256.c
index 376401d..6e2f65f 100644
--- a/src/liblzma/check/sha256.c
+++ b/src/liblzma/check/sha256.c
@@ -23,11 +23,6 @@
#include "check.h"
-// Avoid bogus warnings in transform().
-#if TUKLIB_GNUC_REQ(4, 2)
-# pragma GCC diagnostic ignored "-Wuninitialized"
-#endif
-
// At least on x86, GCC is able to optimize this to a rotate instruction.
#define rotr_32(num, amount) ((num) >> (amount) | (num) << (32 - (amount)))