[llvm-objdump] Remove leading whitespace for PT_GNU_PROPERTY.

This fixes the misaligned display of addresses for this p_type.

Author: rjmansfield

llvm/test/tools/llvm-objdump/ELF/pt-gnu-property.test

@@ -2,7 +2,7 @@
 # RUN: llvm-objdump -p %t | FileCheck %s
 
 # CHECK: Program Header:
-# CHECK-NEXT: {{ }}PROPERTY{{ }}
+# CHECK-NEXT: PROPERTY{{ }}
 
 --- !ELF
 FileHeader:

llvm/tools/llvm-objdump/ELFDump.cpp

@@ -269,7 +269,7 @@ template <class ELFT> void ELFDumper<ELFT>::printProgramHeaders() {
       outs() << "   RELRO ";
       break;
     case ELF::PT_GNU_PROPERTY:
-      outs() << "   PROPERTY ";
+      outs() << "PROPERTY ";
       break;
     case ELF::PT_GNU_STACK:
       outs() << "   STACK ";