[gimp/gimp-2-10] avoid conflict with win32 macro

[Jehan <jehanp src gnome org>]

commit bf5a0460f1387cc9972fcc408f027b8e6f7130d1
Author: lillolollo <4179-lillolollo users noreply gitlab gnome org>
Date:   Sun Sep 15 18:18:10 2019 +0000

    avoid conflict with win32 macro

 plug-ins/file-jpeg/jpeg-save.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/plug-ins/file-jpeg/jpeg-save.c b/plug-ins/file-jpeg/jpeg-save.c
index 93598e8a12..4af4d1dd06 100644
--- a/plug-ins/file-jpeg/jpeg-save.c
+++ b/plug-ins/file-jpeg/jpeg-save.c
@@ -53,7 +53,7 @@ static gboolean arithc_supported = FALSE;
 #define SCALE_WIDTH         125
 
 /* See bugs #63610 and #61088 for a discussion about the quality settings */
-#define DEFAULT_QUALITY          90.0
+#define DEFAULT_IJG_QUALITY      90.0
 #define DEFAULT_SMOOTHING        0.0
 #define DEFAULT_OPTIMIZE         TRUE
 #define DEFAULT_ARITHMETIC_CODING FALSE
@@ -1293,7 +1293,7 @@ save_dialog_response (GtkWidget *widget,
 void
 load_defaults (void)
 {
-  jsvals.quality          = DEFAULT_QUALITY;
+  jsvals.quality          = DEFAULT_IJG_QUALITY;
   jsvals.smoothing        = DEFAULT_SMOOTHING;
   jsvals.optimize         = DEFAULT_OPTIMIZE;
   jsvals.arithmetic_coding= DEFAULT_ARITHMETIC_CODING;