Fix e_cstruct test.

tests/errors/e_cstruct.pyx

 # mode: error
 
 cdef struct Spam:
-	int i
-	char c
-	float *p[42]
-	obj             # error - py object
+    int i
+    char c
+    float[42] *p
+    obj             # error - py object
 
 #cdef struct Spam: # error - redefined (not an error in Cython, should it be?)
-#	int j
+#    int j
 
 cdef struct Grail
 
 cdef void eggs(Spam s):
-	cdef int j
-	cdef Grail *gp
-	j = s.k # error - undef attribute
-	j = s.p # type error
-	s.p = j # type error
-	j = j.i # no error - coercion to Python object
-	j.i = j # no error - coercion to Python object
-	j = gp.x # error - incomplete type
-	gp.x = j # error - incomplete type
+    cdef int j
+    cdef Grail *gp
+    j = s.k # error - undef attribute
+    j = s.p # type error
+    s.p = j # type error
+    j = j.i # no error - coercion to Python object
+    j.i = j # no error - coercion to Python object
+    j = gp.x # error - incomplete type
+    gp.x = j # error - incomplete type
 
 
 _ERRORS = u"""
-7:36: C struct/union member cannot be a Python object
-17:6: Object of type 'Spam' has no attribute 'k'
-18:6: Cannot assign type 'float *[42]' to 'int'
-19:21: Cannot assign type 'int' to 'float *[42]'
-22:7: Cannot select attribute of incomplete type 'Grail'
-23:3: Cannot select attribute of incomplete type 'Grail'
+7:39: C struct/union member cannot be a Python object
+17:9: Object of type 'Spam' has no attribute 'k'
+18:9: Cannot assign type 'float (*)[42]' to 'int'
+19:24: Cannot assign type 'int' to 'float (*)[42]'
+22:10: Cannot select attribute of incomplete type 'Grail'
+23:6: Cannot select attribute of incomplete type 'Grail'
 """