Merge pull request The-OpenROAD-Project#3436 from The-OpenROAD-Project-staging/string-break

Fix bad string continuation in synth.tcl

Author: maliberty

flow/scripts/synth.tcl

@@ -42,8 +42,8 @@ if { ![env_var_equals SYNTH_HIERARCHICAL 1] } {
 
   if { [env_var_exists_and_non_empty SYNTH_MINIMUM_KEEP_SIZE] } {
     set ungroup_threshold $::env(SYNTH_MINIMUM_KEEP_SIZE)
-    puts "Keep modules above estimated size of " \
-      "$ungroup_threshold gate equivalents"
+    puts "Keep modules above estimated size of
+      $ungroup_threshold gate equivalents"
 
     convert_liberty_areas
     keep_hierarchy -min_cost $ungroup_threshold