[gimp] Installer: skip .debug files when they don't exist

[Jehan <jehanp src gnome org>]

commit 1bb71e819378ff9dc9d3221389fd5dc53b699619
Author: Jernej Simončič <jernej|s-gitstuff eternallybored org>
Date:   Tue Oct 29 20:20:39 2019 +0100

    Installer: skip .debug files when they don't exist
    
    (cherry picked from commit 989336be64a71008da48ebb92d95e551038dd987)

 build/windows/installer/files.isi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/build/windows/installer/files.isi b/build/windows/installer/files.isi
index d4c74c0867..461df674bb 100644
--- a/build/windows/installer/files.isi
+++ b/build/windows/installer/files.isi
@@ -23,8 +23,8 @@ Source: "{#GIMP_DIR}\{#DIR}\lib\gimp\2.0\plug-ins\file-ps\file-ps.exe"; DestDir:
 Source: "{#DEPS_DIR}\{#DDIR}\bin\*.dll"; DestDir: "{app}\bin"; Excludes: "\bin\libgs*.dll"; Components: 
deps{#PLATFORM}; Flags: recursesubdirs restartreplace ignoreversion uninsrestartdelete
 Source: "{#DEPS_DIR}\{#DDIR}\bin\libgs*.dll"; DestDir: "{app}\bin"; Components: gs and deps{#PLATFORM}; 
Flags: recursesubdirs restartreplace ignoreversion uninsrestartdelete
 #ifdef DEBUG_SYMBOLS
-Source: "{#DEPS_DIR}\{#DDIR}\bin\.debug\*.dll.debug"; DestDir: "{app}\bin\.debug"; Components: 
deps{#PLATFORM} and debug; Flags: recursesubdirs restartreplace ignoreversion uninsrestartdelete
-Source: "{#DEPS_DIR}\{#DDIR}\lib\*.debug"; DestDir: "{app}\lib"; Components: deps{#PLATFORM} and debug; 
Flags: recursesubdirs restartreplace ignoreversion uninsrestartdelete
+Source: "{#DEPS_DIR}\{#DDIR}\bin\.debug\*.dll.debug"; DestDir: "{app}\bin\.debug"; Components: 
deps{#PLATFORM} and debug; Flags: recursesubdirs restartreplace ignoreversion uninsrestartdelete 
skipifsourcedoesntexist
+Source: "{#DEPS_DIR}\{#DDIR}\lib\*.debug"; DestDir: "{app}\lib"; Components: deps{#PLATFORM} and debug; 
Flags: recursesubdirs restartreplace ignoreversion uninsrestartdelete skipifsourcedoesntexist
 #endif
 
 Source: "{#DEPS_DIR}\{#DDIR}\bin\gspawn-win*.exe"; DestDir: "{app}\bin"; Components: deps{#PLATFORM}; Flags: 
recursesubdirs restartreplace ignoreversion uninsrestartdelete