fix compiler error in paddle_build.sh

test=develop

paddle/scripts/paddle_build.sh

@@ -712,7 +712,6 @@ EOF
     cmake .. -DWITH_DISTRIBUTE=OFF -DON_INFER=ON
     make -j `nproc` fluid_lib_dist
     make -j `nproc` inference_lib_dist
-      fi
 }
 
 function tar_fluid_lib() {
@@ -726,7 +725,6 @@ EOF
     tar -czf fluid.tgz fluid
     cp -r fluid_inference_install_dir fluid_inference
     tar -czf fluid_inference.tgz fluid_inference
-      fi
 }
 
 function test_fluid_lib() {
@@ -740,7 +738,6 @@ EOF
              ${TENSORRT_INCLUDE_DIR:-/usr/local/TensorRT/include} \
              ${TENSORRT_LIB_DIR:-/usr/local/TensorRT/lib}
     ./clean.sh
-      fi
 }
 
 function main() {