crush/CrushCompiler.cc: prefer prefix --operator for iterators

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>

diff --git a/src/crush/CrushCompiler.cc b/src/crush/CrushCompiler.cc
index c54a7b916e4e140ba9272d548f6dad0259659535..aee621d8e32d0e42af2a94c1b0bb18ddf74942fe 100644 (file)
--- a/src/crush/CrushCompiler.cc
+++ b/src/crush/CrushCompiler.cc
@@ -768,7 +768,7 @@ int CrushCompiler::compile(istream& in, const char *infn)
     assert(!line_pos.empty());
     map<int,int>::iterator p = line_pos.upper_bound(cpos);
     if (p != line_pos.begin())
-      p--;
+      --p;
     int line = p->second;
     int pos = cpos - p->first;
     err << infn << ":" << line //<< ":" << (pos+1)