Fix cell file paths in proj_sstl_test.mag
diff --git a/mag/proj_sstl_test.mag b/mag/proj_sstl_test.mag
index f0f0723..9c8fdcd 100644
--- a/mag/proj_sstl_test.mag
+++ b/mag/proj_sstl_test.mag
@@ -1823,7 +1823,7 @@
rect 23503 9913 23930 9914
rect 28789 4311 33084 11984
rect 8796 16 33084 4311
-use SSTL SSTL_0 ~/proj/caravan-project/mag/SSTL
+use SSTL SSTL_0 ./SSTL
timestamp 1646210680
transform 1 0 2350 0 -1 4308
box -2332 -19196 6668 4292
@@ -1831,7 +1831,7 @@
timestamp 1646210680
transform -1 0 20118 0 -1 16276
box -2332 -19196 6668 4292
-use sky130_fd_sc_hd__clkbuf_2 sky130_fd_sc_hd__clkbuf_2_0 ~/proj/caravan-project/pdk/sky130A/libs.ref/sky130_fd_sc_hd/mag
+use sky130_fd_sc_hd__clkbuf_2 sky130_fd_sc_hd__clkbuf_2_0
timestamp 1644111581
transform 1 0 9716 0 1 11488
box -38 -48 406 592
@@ -1839,19 +1839,19 @@
timestamp 1644111581
transform 1 0 10084 0 1 11488
box -38 -48 406 592
-use sky130_fd_sc_hd__clkinv_2 sky130_fd_sc_hd__clkinv_2_0 ~/proj/caravan-project/pdk/sky130A/libs.ref/sky130_fd_sc_hd/mag
+use sky130_fd_sc_hd__clkinv_2 sky130_fd_sc_hd__clkinv_2_0
timestamp 1644111581
transform 1 0 12384 0 1 11488
box -38 -48 406 592
-use sky130_fd_sc_hd__mux4_1 sky130_fd_sc_hd__mux4_1_0 ~/proj/caravan-project/pdk/sky130A/libs.ref/sky130_fd_sc_hd/mag
+use sky130_fd_sc_hd__mux4_1 sky130_fd_sc_hd__mux4_1_0
timestamp 1644111581
transform 1 0 10452 0 1 11488
box -38 -48 1970 592
-use sky130_fd_sc_hd__tapvpwrvgnd_1 sky130_fd_sc_hd__tapvpwrvgnd_1_0 ~/proj/caravan-project/pdk/sky130A/libs.ref/sky130_fd_sc_hd/mag
+use sky130_fd_sc_hd__tapvpwrvgnd_1 sky130_fd_sc_hd__tapvpwrvgnd_1_0
timestamp 1644111581
transform 1 0 12752 0 1 11488
box -38 -48 130 592
-use sky130_fd_sc_hd__and2_1 sky130_fd_sc_hd__and2_1_0 ~/proj/caravan-project/pdk/sky130A/libs.ref/sky130_fd_sc_hd/mag
+use sky130_fd_sc_hd__and2_1 sky130_fd_sc_hd__and2_1_0
timestamp 1644111581
transform -1 0 23608 0 1 12576
box -38 -48 498 592