[babl] meson: replace tabs with spaces

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

commit a5a87370c8c62a64b1fe6c64f2acd635060108ca
Author: Øyvind Kolås <pippin gimp org>
Date:   Thu Oct 31 10:03:56 2019 +0100

    meson: replace tabs with spaces

 babl/meson.build | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/babl/meson.build b/babl/meson.build
index 16e1c569f..542bb622a 100644
--- a/babl/meson.build
+++ b/babl/meson.build
@@ -33,10 +33,10 @@ babl_c_args = [
 if cc.links('', name: '-Wl,--version-script', args: ['-shared', '-Wl,--version-script=' + babl_gnu_sym_path])
   babl_link_args = ['-Wl,--version-script,' + version_script]
 elif host_machine.system() == 'darwin' and cc.has_multi_link_arguments('-Wl,-exported_symbols_list', 
babl_clang_sym_path)
-       # Clang on Darwin
+  # Clang on Darwin
   babl_link_args = ['-Wl,-exported_symbols_list',version_script_clang]
 else
-       error('Linker doesn\'t support --version-script or -exported_symbols_list')
+  error('Linker doesn\'t support --version-script or -exported_symbols_list')
 endif
 if platform_win32
   babl_link_args += '-Wl,--no-undefined'