linux-user: Rename TARGET_QEMU_ESIGRETURN to QEMU_ESIGRETURN

This value is fully internal to qemu, and so is not a TARGET define.

Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
diff --git a/linux-user/sparc/cpu_loop.c b/linux-user/sparc/cpu_loop.c
index 529337c..8765ab6 100644
--- a/linux-user/sparc/cpu_loop.c
+++ b/linux-user/sparc/cpu_loop.c
@@ -181,7 +181,7 @@
                               env->regwptr[2], env->regwptr[3],
                               env->regwptr[4], env->regwptr[5],
                               0, 0);
-            if (ret == -QEMU_ERESTARTSYS || ret == -TARGET_QEMU_ESIGRETURN) {
+            if (ret == -QEMU_ERESTARTSYS || ret == -QEMU_ESIGRETURN) {
                 break;
             }
             if ((abi_ulong)ret >= (abi_ulong)(-515)) {