Update emscripten.yml

Author: mcbarton

.github/workflows/emscripten.yml

@@ -952,7 +952,7 @@ jobs:
           -DXEUS_CPP_EMSCRIPTEN_WASM_BUILD=ON               `
           -DCMAKE_FIND_ROOT_PATH_MODE_PACKAGE=ON            `
           -DXEUS_CPP_RESOURCE_DIR=${{ env.LLVM_BUILD_DIR }}/lib/clang/${{ matrix.clang-runtime }} `
-          -DSYSROOT_PATH=${{ env.SYSROOT_PATH }}                     `
+          -DSYSROOT_PATH=${{ env.SYSROOT_PATH }}     `                `
           ..
         emmake make -j ${{ env.ncpus }} install