Adding check for duplicate non-case-sensitive part names that could cause...

Adding check for duplicate non-case-sensitive part names that could cause issues with c code generation

src/epics/util/feCodeGen.pl

@@ -728,12 +728,12 @@ for($ii=0;$ii<$nonSubCnt;$ii++)
 }
 
 #// -  Remove all parts which will not require further processing in the code for the part
-#// total, also do a part check for blocks with diffrent capitalization that are going to
+#// total, also do a part check for blocks with different capitalization that are going to
 #// emit c code that will be lowercased (causing collisions)
 $ftotal = $partCnt;
 
-my %seen; #Hashmap that keeps track of the names we have seen before
-my %noCode = map {$_ => 1}  qw(INPUT OUTPUT BUSC BUSS FROM GOTO); #List of non-generating parts
+my %seen; #Hash that keeps track of the names we have seen before
+my %noCode = map {$_ => 1}  qw(INPUT OUTPUT BUSC BUSS FROM GOTO); #Hash of non-generating parts
 my @duplicates = ();
 
 for($kk=0;$kk<$partCnt;$kk++)
@@ -763,10 +763,10 @@ for($kk=0;$kk<$partCnt;$kk++)
     }
 }
 
-if ( 0+@duplicates > 0) #If we found 1 or more issues
+if ( scalar(@duplicates) > 0) #If we found 1 or more issues
 {
     my $whole_error = "ERROR - Some part(s) failed the duplicate name check. " .
-                      "Two parts, that generate code, with the same name (but diffrent capitalization) were found.\n" .
+                      "Two parts, that generate code, with the same name (but different capitalization) were found.\n" .
                       "This can cause an issue with code generation, please rename one of the parts, from each pair.\n";
     $whole_error = $whole_error . join('', @duplicates);
     die $whole_error . "\n";