API change for mpa_get_str()

Dropping the groupsize parameter for mpa_get_str().

Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Tested-by: Jens Wiklander <jens.wiklander@linaro.org> (QEMU)
Reviewed-by: Pascal Brand <pascal.brand@linaro.org>
diff --git a/ta/os_test/include/testframework.h b/ta/os_test/include/testframework.h
index 5a237d5..9724c71 100644
--- a/ta/os_test/include/testframework.h
+++ b/ta/os_test/include/testframework.h
@@ -65,7 +65,6 @@
 extern mpa_scratch_mem mempool;
 
 int TEE_BigIntConvertFromString(TEE_BigInt *dest, const char *src);
-char *TEE_BigIntConvertToString(char *dest, int mode, int groupsize,
-				const TEE_BigInt *src);
+char *TEE_BigIntConvertToString(char *dest, int mode, const TEE_BigInt *src);
 
 #endif /* include guard */