efi_selftest: incorrect use of bitwise or

We should use a logical or when combining logical values.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
diff --git a/lib/efi_selftest/efi_selftest_loaded_image.c b/lib/efi_selftest/efi_selftest_loaded_image.c
index f9b54ae..ea2b380 100644
--- a/lib/efi_selftest/efi_selftest_loaded_image.c
+++ b/lib/efi_selftest/efi_selftest_loaded_image.c
@@ -53,7 +53,7 @@
 		efi_st_error("ProtocolsPerHandle failed\n");
 		return EFI_ST_FAILURE;
 	}
-	if (!protocol_buffer_count | !protocol_buffer) {
+	if (!protocol_buffer_count || !protocol_buffer) {
 		efi_st_error("ProtocolsPerHandle returned no protocol\n");
 		return EFI_ST_FAILURE;
 	}