diff --git a/PC/generrmap.c b/PC/generrmap.c
index 2b25063..bf1081b 100644
--- a/PC/generrmap.c
+++ b/PC/generrmap.c
@@ -5,16 +5,16 @@
 
 int main()
 {
-	int i;
-	printf("/* Generated file. Do not edit. */\n");
-	printf("int winerror_to_errno(int winerror)\n");
-	printf("{\n\tswitch(winerror) {\n");
-	for(i=1; i < 65000; i++) {
-		_dosmaperr(i);
-		if (errno == EINVAL)
-			continue;
-		printf("\t\tcase %d: return %d;\n", i, errno);
-	}
-	printf("\t\tdefault: return EINVAL;\n");
-	printf("\t}\n}\n");
+    int i;
+    printf("/* Generated file. Do not edit. */\n");
+    printf("int winerror_to_errno(int winerror)\n");
+    printf("{\n\tswitch(winerror) {\n");
+    for(i=1; i < 65000; i++) {
+        _dosmaperr(i);
+        if (errno == EINVAL)
+            continue;
+        printf("\t\tcase %d: return %d;\n", i, errno);
+    }
+    printf("\t\tdefault: return EINVAL;\n");
+    printf("\t}\n}\n");
 }