Issue #24366: Fix indentation

Backports changes by Victor Stinner, Hirokazu Yamamoto, li4ick and Benjamin
Peterson.
diff --git a/Modules/cjkcodecs/multibytecodec.c b/Modules/cjkcodecs/multibytecodec.c
index 2f2eb52..8713628 100644
--- a/Modules/cjkcodecs/multibytecodec.c
+++ b/Modules/cjkcodecs/multibytecodec.c
@@ -1275,19 +1275,19 @@
             if (PyString_GET_SIZE(cres) > PY_SSIZE_T_MAX - self->pendingsize) {
                 PyErr_NoMemory();
                 goto errorexit;
-        }
-                    rsize = PyString_GET_SIZE(cres) + self->pendingsize;
-                    ctr = PyString_FromStringAndSize(NULL, rsize);
-                    if (ctr == NULL)
-                            goto errorexit;
-                    ctrdata = PyString_AS_STRING(ctr);
-                    memcpy(ctrdata, self->pending, self->pendingsize);
-                    memcpy(ctrdata + self->pendingsize,
-                            PyString_AS_STRING(cres),
-                            PyString_GET_SIZE(cres));
-                    Py_DECREF(cres);
-                    cres = ctr;
-                    self->pendingsize = 0;
+            }
+            rsize = PyString_GET_SIZE(cres) + self->pendingsize;
+            ctr = PyString_FromStringAndSize(NULL, rsize);
+            if (ctr == NULL)
+                goto errorexit;
+            ctrdata = PyString_AS_STRING(ctr);
+            memcpy(ctrdata, self->pending, self->pendingsize);
+            memcpy(ctrdata + self->pendingsize,
+                    PyString_AS_STRING(cres),
+                    PyString_GET_SIZE(cres));
+            Py_DECREF(cres);
+            cres = ctr;
+            self->pendingsize = 0;
         }
 
         rsize = PyString_GET_SIZE(cres);