[ELF] - Use llvm::find_if instead std::find_if where possible. NFC.

Two more places.

llvm-svn: 307076
diff --git a/lld/ELF/Writer.cpp b/lld/ELF/Writer.cpp
index 6df4926..463a25b 100644
--- a/lld/ELF/Writer.cpp
+++ b/lld/ELF/Writer.cpp
@@ -1550,11 +1550,9 @@
 void Writer<ELFT>::addPtArmExid(std::vector<PhdrEntry> &Phdrs) {
   if (Config->EMachine != EM_ARM)
     return;
-  auto I =
-      std::find_if(OutputSectionCommands.begin(), OutputSectionCommands.end(),
-                   [](OutputSectionCommand *Cmd) {
-                     return Cmd->Sec->Type == SHT_ARM_EXIDX;
-                   });
+  auto I = llvm::find_if(OutputSectionCommands, [](OutputSectionCommand *Cmd) {
+    return Cmd->Sec->Type == SHT_ARM_EXIDX;
+  });
   if (I == OutputSectionCommands.end())
     return;