Replace tabs with spaces. (NFC)

(cherry picked from commit 646d927)

Author: adrian-prantl

lldb/packages/Python/lldbsuite/test/macosx/DBGSourcePathRemapping/TestDSYMSourcePathRemapping.py

@@ -35,24 +35,24 @@ def build(self):
         import re
         self.assertTrue(re.match(r'[0-9a-fA-F-]+', uuid))
         plist = os.path.join(dsym, 'Contents', 'Resources', uuid + '.plist')
-	with open(plist, 'w') as f:
+        with open(plist, 'w') as f:
             f.write('<?xml version="1.0" encoding="UTF-8"?>\n')
             f.write('<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">\n')
-	    f.write('<plist version="1.0">\n')
-	    f.write('<dict>\n')
-	    f.write('  <key>DBGSourcePathRemapping</key>\n')
-	    f.write('  <dict>\n')
-	    f.write('	 <key>' + botdir + '</key>\n')
-	    f.write('	 <string>' + userdir + '</string>\n')
-	    f.write('  </dict>\n')
-	    f.write('</dict>\n')
-	    f.write('</plist>\n')
+            f.write('<plist version="1.0">\n')
+            f.write('<dict>\n')
+            f.write('  <key>DBGSourcePathRemapping</key>\n')
+            f.write('  <dict>\n')
+            f.write('    <key>' + botdir + '</key>\n')
+            f.write('    <string>' + userdir + '</string>\n')
+            f.write('  </dict>\n')
+            f.write('</dict>\n')
+            f.write('</plist>\n')
 
 
     @skipIf(debug_info=no_match("dsym"))
     def test(self):
         self.build()
-        
+
         target, process, _, _ = lldbutil.run_to_name_breakpoint(
             self, 'main')
         self.expect("source list -n main", substrs=["Hello Absolute"])