Fix misleading-indentation compilation error under clang 10 (#33406)

Fix misleading-indentation compilation error under clang 10 (#33406)

The error looks like this (seen in dotnet/coreclr repo):

    In file included from /root/coreclr/src/ildasm/dasm_mi.cpp:7:
    /root/coreclr/src/ildasm/exe/../../tools/metainfo/mdinfo.cpp:1951:9: error: misleading indentation; statement is not part of the previous 'if' [-Werror,-Wmisleading-indentation]
        if (!wcscmp(W("__DecoratedName"), rcName))
        ^
    /root/coreclr/src/ildasm/exe/../../tools/metainfo/mdinfo.cpp:1947:5: note: previous statement is here
	if (pSig && pMethName)
	^
    1 error generated.