[hackers] [blind] blind-gauss-blur: fix -s || Mattias Andrée

[git]

commit aac5c4af10f109325fce74e3a8f7a853b4cff231
Author:     Mattias Andrée <maand...@kth.se>
AuthorDate: Sun Jan 22 13:14:30 2017 +0100
Commit:     Mattias Andrée <maand...@kth.se>
CommitDate: Sun Jan 22 13:14:30 2017 +0100

    blind-gauss-blur: fix -s
    
    Signed-off-by: Mattias Andrée <maand...@kth.se>

diff --git a/src/blind-gauss-blur.c b/src/blind-gauss-blur.c
index d974a53..e6ce1a7 100644
--- a/src/blind-gauss-blur.c
+++ b/src/blind-gauss-blur.c
@@ -163,7 +163,7 @@ process_xyza(char *restrict output, char *restrict cbuf, 
char *restrict sbuf,
        }\
        if (blur[0] + blur[1] + blur[2] == 0)\
                goto no_blur_##DIR;\
-       if (spread < 1)\
+       if (auto_spread && spread < 1)\
                spread = 1;
 
 #define BLUR_PIXEL(START, LOOP, DISTANCE)\