[swig] Fix some typos in the build scripts.

[zturner]

Thanks for taking the time to clean up this script. It's really appreciated.

[ki.stfu]

scripts/Python/finishSwigPythonLLDB.py

301

it's mine. thx:)

scripts/Python/buildSwigPython.py

def get_config_build_dir( vDictArgs, vstrFrameworkPythonDir ):
   
   return (bOk, strConfigBldDir, strErrMsg);
 
 """
 Removes given file, ignoring error if it doesn't exist.
 """
 def remove_ignore_enoent(filename):
   try:
-    os.remove( strSwigOutputFile );
+    os.remove( filename );
   except OSError as e:
     import errno
     if e.errno != errno.ENOENT:
       raise
     pass
 
 #++---------------------------------------------------------------------------
 # Details:  Do a SWIG code rebuild. Any number returned by SWIG which is not
def main( vDictArgs ):
   # don't have to conditionalize the build on this as well.
     # Note, at present iOS doesn't have Python, so if you're building for 
     # iOS be sure to set LLDB_DISABLE_PYTHON to 1.
   if (strEnvVarLLDBDisablePython != None) and \
      (strEnvVarLLDBDisablePython == "1"):
     remove_ignore_enoent( strSwigOutputFile )
     open( strSwigOutputFile, 'w' ).close(); # Touch the file
     if bDebug:
-      strMsg = strMsgLldbDisablePython;
+      strMsg = strMsgLldbDisablePythonEnv;
     return (0, strMsg );
     
   # If this project is being built with LLDB_DISABLE_PYTHON defined,
   # don't bother generating Python swig bindings -- we don't have
   # Python available.
   strEnvVarGccPreprocessDefs = os.getenv( "GCC_PREPROCESSOR_DEFINITIONS", 
                       None );
   if (strEnvVarGccPreprocessDefs != None) or \

scripts/Python/finishSwigPythonLLDB.py

def make_symlink( vDictArgs, vstrFrameworkPythonDir, vstrSrcFile, vstrTargetFile ):
 
   os.chdir( vstrFrameworkPythonDir );
   bMakeFileCalled = vDictArgs.has_key( "-m" );
   eOSType = utilsOsType.determine_os_type();
   if not bMakeFileCalled:
     return (bOk, strErrMsg);
   else:
     # Resolve vstrSrcFile path relatively the build directory
-    stdBuildDir = "";
+    strBuildDir = "";
     if eOSType == utilsOsType.EnumOsType.Windows:
       # On a Windows platform the vstrFrameworkPythonDir looks like:
       # llvm\\build\\Lib\\site-packages\\lldb
       strBuildDir = "../../..";
     else:
       # On a UNIX style platform the vstrFrameworkPythonDir looks like:
       # llvm/build/lib/python2.7/site-packages/lldb
       strBuildDir = "../../../..";