[babl] babl-space: 0 initialize temporary stack allocated BablSpace instances

[Øyvind "pippin" Kolås <ok src gnome org>]

commit 850582f7a6cf02376a9c8bf4eb2734f615e537ea
Author: Øyvind Kolås <pippin gimp org>
Date:   Sat Jul 20 15:34:15 2019 +0200

    babl-space: 0 initialize temporary stack allocated BablSpace instances
    
    After the CMYK support was added, we ended up sometimes having the is_cmyk
    flag set on RGB matrix profiles, leading to forced reference conversions.

 babl/babl-space.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)
---
diff --git a/babl/babl-space.c b/babl/babl-space.c
index 10eb045..9b71614 100644
--- a/babl/babl-space.c
+++ b/babl/babl-space.c
@@ -227,7 +227,7 @@ _babl_space_for_lcms (const char *icc_data,
                       int         icc_length)
 {
   int i=0;
-  BablSpace space;
+  BablSpace space = {0,};
 
 
   for (i = 0; space_db[i].instance.class_type; i++)
@@ -278,10 +278,9 @@ babl_space_from_rgbxyz_matrix (const char *name,
                                const Babl *trc_blue)
 {
   int i=0;
-  BablSpace space;
+  BablSpace space = {0,};
   space.instance.class_type = BABL_SPACE;
   space.instance.id         = 0;
-
   /* transplant matrixes */
 
   space.RGBtoXYZ[0] = rx;
@@ -374,7 +373,7 @@ babl_space_from_chromaticities (const char *name,
                                 BablSpaceFlags flags)
 {
   int i=0;
-  static BablSpace space;
+  BablSpace space = {0,};
   space.instance.class_type = BABL_SPACE;
   space.instance.id         = 0;