travis: fix quoting

diff --git a/_travis/configure b/_travis/configure
index f027fc0ddcc7c61e079b0bc4ec7fd19b47548305..91315bdadfc2a07bebfd441523e1dac4fd413d8c 100755 (executable)
--- a/_travis/configure
+++ b/_travis/configure
@@ -37,8 +37,8 @@ fi
 
 # travis/ccache hack for clang
 if [[ "$CXX" == "clang++" && -x /usr/bin/ccache ]] ; then
-       "ln -s /usr/bin/ccache" "$HOME/bin/clang"
-       "ln -s /usr/bin/ccache" "$HOME/bin/clang++"
+       ln -s "/usr/bin/ccache" "$HOME/bin/clang"
+       ln -s "/usr/bin/ccache" "$HOME/bin/clang++"
 fi
 
 cmake $CMAKE_PARAMETERS ..