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-rw-r--r--qmake/generators/xmloutput.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/qmake/generators/xmloutput.cpp b/qmake/generators/xmloutput.cpp
index 4e420a59844..c1c8f5f4932 100644
--- a/qmake/generators/xmloutput.cpp
+++ b/qmake/generators/xmloutput.cpp
@@ -81,6 +81,7 @@ XmlOutput::XMLState XmlOutput::state()
void XmlOutput::updateIndent()
{
currentIndent.clear();
+ currentIndent.reserve(currentLevel);
for (int i = 0; i < currentLevel; ++i)
currentIndent.append(indent);
}